Home / 572,172.13-858,272.79-172,825.93

Finding the Fourth Proportional to 572,172.13, 858,272.79 and 172,825.93

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Solution

The fourth proportional to 572,172.13, 858,272.79 and 172,825.93 is: 259,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,172.13 : 858,272.79 = 172,825.93 : x
  2. Step 2: Convert to fraction form
    572,172.13/858,272.79 = 172,825.93/x
  3. Step 3: Cross multiply
    572,172.13x = 858,272.79 × 172,825.93
  4. Step 4: Simplify right side
    572,172.13x = 148,331,793,125.45
  5. Step 5: Solve for x
    x = 148,331,793,125.45/572,172.13
  6. Step 6: Final answer
    x = 259,243.30

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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.