Home / 435,413.13-653,126.61-165,545.38

Finding the Fourth Proportional to 435,413.13, 653,126.61 and 165,545.38

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Solution

The fourth proportional to 435,413.13, 653,126.61 and 165,545.38 is: 248,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,413.13 : 653,126.61 = 165,545.38 : x
  2. Step 2: Convert to fraction form
    435,413.13/653,126.61 = 165,545.38/x
  3. Step 3: Cross multiply
    435,413.13x = 653,126.61 × 165,545.38
  4. Step 4: Simplify right side
    435,413.13x = 108,122,092,840.56
  5. Step 5: Solve for x
    x = 108,122,092,840.56/435,413.13
  6. Step 6: Final answer
    x = 248,320.70

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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.