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Finding the Fourth Proportional to 538,220.70, 807,440.40 and 183,270.60

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Solution

The fourth proportional to 538,220.70, 807,440.40 and 183,270.60 is: 274,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,220.70 : 807,440.40 = 183,270.60 : x
  2. Step 2: Convert to fraction form
    538,220.70/807,440.40 = 183,270.60/x
  3. Step 3: Cross multiply
    538,220.70x = 807,440.40 × 183,270.60
  4. Step 4: Simplify right side
    538,220.70x = 147,980,086,572.24
  5. Step 5: Solve for x
    x = 147,980,086,572.24/538,220.70
  6. Step 6: Final answer
    x = 274,943.13

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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.