Home / 436,255.59-654,397.95-120,686.07

Finding the Fourth Proportional to 436,255.59, 654,397.95 and 120,686.07

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Solution

The fourth proportional to 436,255.59, 654,397.95 and 120,686.07 is: 181,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,255.59 : 654,397.95 = 120,686.07 : x
  2. Step 2: Convert to fraction form
    436,255.59/654,397.95 = 120,686.07/x
  3. Step 3: Cross multiply
    436,255.59x = 654,397.95 × 120,686.07
  4. Step 4: Simplify right side
    436,255.59x = 78,976,716,801.56
  5. Step 5: Solve for x
    x = 78,976,716,801.56/436,255.59
  6. Step 6: Final answer
    x = 181,033.13

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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.