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Finding the Fourth Proportional to 555,326.27, 832,986.65 and 134,602.14

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Solution

The fourth proportional to 555,326.27, 832,986.65 and 134,602.14 is: 201,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,326.27 : 832,986.65 = 134,602.14 : x
  2. Step 2: Convert to fraction form
    555,326.27/832,986.65 = 134,602.14/x
  3. Step 3: Cross multiply
    555,326.27x = 832,986.65 × 134,602.14
  4. Step 4: Simplify right side
    555,326.27x = 112,121,785,008.42
  5. Step 5: Solve for x
    x = 112,121,785,008.42/555,326.27
  6. Step 6: Final answer
    x = 201,902.54

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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.