Home / 479,263.13-719,043.85-142,305.55

Finding the Fourth Proportional to 479,263.13, 719,043.85 and 142,305.55

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Solution

The fourth proportional to 479,263.13, 719,043.85 and 142,305.55 is: 213,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,263.13 : 719,043.85 = 142,305.55 : x
  2. Step 2: Convert to fraction form
    479,263.13/719,043.85 = 142,305.55/x
  3. Step 3: Cross multiply
    479,263.13x = 719,043.85 × 142,305.55
  4. Step 4: Simplify right side
    479,263.13x = 102,323,928,928.64
  5. Step 5: Solve for x
    x = 102,323,928,928.64/479,263.13
  6. Step 6: Final answer
    x = 213,502.61

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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.