Home / 283,413.29-391,128.02-156,088.85

Finding the Fourth Proportional to 283,413.29, 391,128.02 and 156,088.85

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Solution

The fourth proportional to 283,413.29, 391,128.02 and 156,088.85 is: 215,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,413.29 : 391,128.02 = 156,088.85 : x
  2. Step 2: Convert to fraction form
    283,413.29/391,128.02 = 156,088.85/x
  3. Step 3: Cross multiply
    283,413.29x = 391,128.02 × 156,088.85
  4. Step 4: Simplify right side
    283,413.29x = 61,050,722,844.58
  5. Step 5: Solve for x
    x = 61,050,722,844.58/283,413.29
  6. Step 6: Final answer
    x = 215,412.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.