Home / 572,078.13-858,255.93-172,695.06

Finding the Fourth Proportional to 572,078.13, 858,255.93 and 172,695.06

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Solution

The fourth proportional to 572,078.13, 858,255.93 and 172,695.06 is: 259,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,078.13 : 858,255.93 = 172,695.06 : x
  2. Step 2: Convert to fraction form
    572,078.13/858,255.93 = 172,695.06/x
  3. Step 3: Cross multiply
    572,078.13x = 858,255.93 × 172,695.06
  4. Step 4: Simplify right side
    572,078.13x = 148,216,559,326.71
  5. Step 5: Solve for x
    x = 148,216,559,326.71/572,078.13
  6. Step 6: Final answer
    x = 259,084.47

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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.