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Finding the Fourth Proportional to 360,083.04, 539,832.12 and 149,878.32

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Solution

The fourth proportional to 360,083.04, 539,832.12 and 149,878.32 is: 224,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,083.04 : 539,832.12 = 149,878.32 : x
  2. Step 2: Convert to fraction form
    360,083.04/539,832.12 = 149,878.32/x
  3. Step 3: Cross multiply
    360,083.04x = 539,832.12 × 149,878.32
  4. Step 4: Simplify right side
    360,083.04x = 80,909,131,227.64
  5. Step 5: Solve for x
    x = 80,909,131,227.64/360,083.04
  6. Step 6: Final answer
    x = 224,695.76

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1.5x scale

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.