Home / 252,565.02-378,909.99-75,071.30

Finding the Fourth Proportional to 252,565.02, 378,909.99 and 75,071.30

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Solution

The fourth proportional to 252,565.02, 378,909.99 and 75,071.30 is: 112,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,565.02 : 378,909.99 = 75,071.30 : x
  2. Step 2: Convert to fraction form
    252,565.02/378,909.99 = 75,071.30/x
  3. Step 3: Cross multiply
    252,565.02x = 378,909.99 × 75,071.30
  4. Step 4: Simplify right side
    252,565.02x = 28,445,263,637.74
  5. Step 5: Solve for x
    x = 28,445,263,637.74/252,565.02
  6. Step 6: Final answer
    x = 112,625.51

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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.