Home / 284,081.47-426,285.02-115,570.69

Finding the Fourth Proportional to 284,081.47, 426,285.02 and 115,570.69

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Solution

The fourth proportional to 284,081.47, 426,285.02 and 115,570.69 is: 173,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,081.47 : 426,285.02 = 115,570.69 : x
  2. Step 2: Convert to fraction form
    284,081.47/426,285.02 = 115,570.69/x
  3. Step 3: Cross multiply
    284,081.47x = 426,285.02 × 115,570.69
  4. Step 4: Simplify right side
    284,081.47x = 49,266,053,898.06
  5. Step 5: Solve for x
    x = 49,266,053,898.06/284,081.47
  6. Step 6: Final answer
    x = 173,422.27

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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.