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Finding the Fourth Proportional to 433,898.33, 598,708.40 and 272,639.16

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Solution

The fourth proportional to 433,898.33, 598,708.40 and 272,639.16 is: 376,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,898.33 : 598,708.40 = 272,639.16 : x
  2. Step 2: Convert to fraction form
    433,898.33/598,708.40 = 272,639.16/x
  3. Step 3: Cross multiply
    433,898.33x = 598,708.40 × 272,639.16
  4. Step 4: Simplify right side
    433,898.33x = 163,231,353,897.75
  5. Step 5: Solve for x
    x = 163,231,353,897.75/433,898.33
  6. Step 6: Final answer
    x = 376,197.24

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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.