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Finding the Fourth Proportional to 467,603.48, 701,346.90 and 187,123.16

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Solution

The fourth proportional to 467,603.48, 701,346.90 and 187,123.16 is: 280,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,603.48 : 701,346.90 = 187,123.16 : x
  2. Step 2: Convert to fraction form
    467,603.48/701,346.90 = 187,123.16/x
  3. Step 3: Cross multiply
    467,603.48x = 701,346.90 × 187,123.16
  4. Step 4: Simplify right side
    467,603.48x = 131,238,248,184.20
  5. Step 5: Solve for x
    x = 131,238,248,184.20/467,603.48
  6. Step 6: Final answer
    x = 280,661.40

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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.