Home / 242,451.83-334,559.57-135,031.86

Finding the Fourth Proportional to 242,451.83, 334,559.57 and 135,031.86

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Solution

The fourth proportional to 242,451.83, 334,559.57 and 135,031.86 is: 186,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,451.83 : 334,559.57 = 135,031.86 : x
  2. Step 2: Convert to fraction form
    242,451.83/334,559.57 = 135,031.86/x
  3. Step 3: Cross multiply
    242,451.83x = 334,559.57 × 135,031.86
  4. Step 4: Simplify right side
    242,451.83x = 45,176,200,342.74
  5. Step 5: Solve for x
    x = 45,176,200,342.74/242,451.83
  6. Step 6: Final answer
    x = 186,330.62

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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.