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Finding the Fourth Proportional to 657,972.32, 987,052.48 and 202,602.01

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Solution

The fourth proportional to 657,972.32, 987,052.48 and 202,602.01 is: 303,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,972.32 : 987,052.48 = 202,602.01 : x
  2. Step 2: Convert to fraction form
    657,972.32/987,052.48 = 202,602.01/x
  3. Step 3: Cross multiply
    657,972.32x = 987,052.48 × 202,602.01
  4. Step 4: Simplify right side
    657,972.32x = 199,978,816,439.71
  5. Step 5: Solve for x
    x = 199,978,816,439.71/657,972.32
  6. Step 6: Final answer
    x = 303,931.96

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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.