Home / 545,118.42-817,613.24-145,790.15

Finding the Fourth Proportional to 545,118.42, 817,613.24 and 145,790.15

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Solution

The fourth proportional to 545,118.42, 817,613.24 and 145,790.15 is: 218,668.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,118.42 : 817,613.24 = 145,790.15 : x
  2. Step 2: Convert to fraction form
    545,118.42/817,613.24 = 145,790.15/x
  3. Step 3: Cross multiply
    545,118.42x = 817,613.24 × 145,790.15
  4. Step 4: Simplify right side
    545,118.42x = 119,199,952,084.57
  5. Step 5: Solve for x
    x = 119,199,952,084.57/545,118.42
  6. Step 6: Final answer
    x = 218,668.00

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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.