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Finding the Fourth Proportional to 538,549.40, 807,844.59 and 201,554.57

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Solution

The fourth proportional to 538,549.40, 807,844.59 and 201,554.57 is: 302,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,549.40 : 807,844.59 = 201,554.57 : x
  2. Step 2: Convert to fraction form
    538,549.40/807,844.59 = 201,554.57/x
  3. Step 3: Cross multiply
    538,549.40x = 807,844.59 × 201,554.57
  4. Step 4: Simplify right side
    538,549.40x = 162,824,764,925.05
  5. Step 5: Solve for x
    x = 162,824,764,925.05/538,549.40
  6. Step 6: Final answer
    x = 302,339.52

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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.