Home / 315,919.30-473,962.04-113,535.86

Finding the Fourth Proportional to 315,919.30, 473,962.04 and 113,535.86

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Solution

The fourth proportional to 315,919.30, 473,962.04 and 113,535.86 is: 170,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,919.30 : 473,962.04 = 113,535.86 : x
  2. Step 2: Convert to fraction form
    315,919.30/473,962.04 = 113,535.86/x
  3. Step 3: Cross multiply
    315,919.30x = 473,962.04 × 113,535.86
  4. Step 4: Simplify right side
    315,919.30x = 53,811,687,818.75
  5. Step 5: Solve for x
    x = 53,811,687,818.75/315,919.30
  6. Step 6: Final answer
    x = 170,333.65

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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.