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Finding the Fourth Proportional to 288,924.06, 433,445.20 and 99,359.82

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Solution

The fourth proportional to 288,924.06, 433,445.20 and 99,359.82 is: 149,060.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,924.06 : 433,445.20 = 99,359.82 : x
  2. Step 2: Convert to fraction form
    288,924.06/433,445.20 = 99,359.82/x
  3. Step 3: Cross multiply
    288,924.06x = 433,445.20 × 99,359.82
  4. Step 4: Simplify right side
    288,924.06x = 43,067,037,051.86
  5. Step 5: Solve for x
    x = 43,067,037,051.86/288,924.06
  6. Step 6: Final answer
    x = 149,060.06

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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.