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Finding the Fourth Proportional to 364,449.71, 502,937.18 and 201,107.72

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Solution

The fourth proportional to 364,449.71, 502,937.18 and 201,107.72 is: 277,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,449.71 : 502,937.18 = 201,107.72 : x
  2. Step 2: Convert to fraction form
    364,449.71/502,937.18 = 201,107.72/x
  3. Step 3: Cross multiply
    364,449.71x = 502,937.18 × 201,107.72
  4. Step 4: Simplify right side
    364,449.71x = 101,144,547,938.82
  5. Step 5: Solve for x
    x = 101,144,547,938.82/364,449.71
  6. Step 6: Final answer
    x = 277,526.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.