Home / 381,336.24-572,155.02-144,741.72

Finding the Fourth Proportional to 381,336.24, 572,155.02 and 144,741.72

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Solution

The fourth proportional to 381,336.24, 572,155.02 and 144,741.72 is: 217,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,336.24 : 572,155.02 = 144,741.72 : x
  2. Step 2: Convert to fraction form
    381,336.24/572,155.02 = 144,741.72/x
  3. Step 3: Cross multiply
    381,336.24x = 572,155.02 × 144,741.72
  4. Step 4: Simplify right side
    381,336.24x = 82,814,701,701.43
  5. Step 5: Solve for x
    x = 82,814,701,701.43/381,336.24
  6. Step 6: Final answer
    x = 217,169.77

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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.