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Finding the Fourth Proportional to 288,001.50, 397,442.07 and 168,769.50

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Solution

The fourth proportional to 288,001.50, 397,442.07 and 168,769.50 is: 232,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,001.50 : 397,442.07 = 168,769.50 : x
  2. Step 2: Convert to fraction form
    288,001.50/397,442.07 = 168,769.50/x
  3. Step 3: Cross multiply
    288,001.50x = 397,442.07 × 168,769.50
  4. Step 4: Simplify right side
    288,001.50x = 67,076,099,432.87
  5. Step 5: Solve for x
    x = 67,076,099,432.87/288,001.50
  6. Step 6: Final answer
    x = 232,901.91

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1.5x scale

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.