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Finding the Fourth Proportional to 398,750.69, 597,885.12 and 158,901.49

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Solution

The fourth proportional to 398,750.69, 597,885.12 and 158,901.49 is: 238,256.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,750.69 : 597,885.12 = 158,901.49 : x
  2. Step 2: Convert to fraction form
    398,750.69/597,885.12 = 158,901.49/x
  3. Step 3: Cross multiply
    398,750.69x = 597,885.12 × 158,901.49
  4. Step 4: Simplify right side
    398,750.69x = 95,004,836,416.83
  5. Step 5: Solve for x
    x = 95,004,836,416.83/398,750.69
  6. Step 6: Final answer
    x = 238,256.23

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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.