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Finding the Fourth Proportional to 240,417.32, 331,773.06 and 132,978.92

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Solution

The fourth proportional to 240,417.32, 331,773.06 and 132,978.92 is: 183,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,417.32 : 331,773.06 = 132,978.92 : x
  2. Step 2: Convert to fraction form
    240,417.32/331,773.06 = 132,978.92/x
  3. Step 3: Cross multiply
    240,417.32x = 331,773.06 × 132,978.92
  4. Step 4: Simplify right side
    240,417.32x = 44,118,823,203.90
  5. Step 5: Solve for x
    x = 44,118,823,203.90/240,417.32
  6. Step 6: Final answer
    x = 183,509.34

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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.