Home / 486,275.15-729,507.19-186,733.71

Finding the Fourth Proportional to 486,275.15, 729,507.19 and 186,733.71

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Solution

The fourth proportional to 486,275.15, 729,507.19 and 186,733.71 is: 280,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,275.15 : 729,507.19 = 186,733.71 : x
  2. Step 2: Convert to fraction form
    486,275.15/729,507.19 = 186,733.71/x
  3. Step 3: Cross multiply
    486,275.15x = 729,507.19 × 186,733.71
  4. Step 4: Simplify right side
    486,275.15x = 136,223,584,060.38
  5. Step 5: Solve for x
    x = 136,223,584,060.38/486,275.15
  6. Step 6: Final answer
    x = 280,136.84

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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.