Home / 342,293.28-513,094.86-142,723.86

Finding the Fourth Proportional to 342,293.28, 513,094.86 and 142,723.86

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Solution

The fourth proportional to 342,293.28, 513,094.86 and 142,723.86 is: 213,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,293.28 : 513,094.86 = 142,723.86 : x
  2. Step 2: Convert to fraction form
    342,293.28/513,094.86 = 142,723.86/x
  3. Step 3: Cross multiply
    342,293.28x = 513,094.86 × 142,723.86
  4. Step 4: Simplify right side
    342,293.28x = 73,230,878,965.36
  5. Step 5: Solve for x
    x = 73,230,878,965.36/342,293.28
  6. Step 6: Final answer
    x = 213,941.91

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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.