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Finding the Fourth Proportional to 538,473.40, 807,710.10 and 183,887.80

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Solution

The fourth proportional to 538,473.40, 807,710.10 and 183,887.80 is: 275,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,473.40 : 807,710.10 = 183,887.80 : x
  2. Step 2: Convert to fraction form
    538,473.40/807,710.10 = 183,887.80/x
  3. Step 3: Cross multiply
    538,473.40x = 807,710.10 × 183,887.80
  4. Step 4: Simplify right side
    538,473.40x = 148,528,033,326.78
  5. Step 5: Solve for x
    x = 148,528,033,326.78/538,473.40
  6. Step 6: Final answer
    x = 275,831.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.