Home / 292,413.12-437,928.75-142,755.90

Finding the Fourth Proportional to 292,413.12, 437,928.75 and 142,755.90

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Solution

The fourth proportional to 292,413.12, 437,928.75 and 142,755.90 is: 213,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,413.12 : 437,928.75 = 142,755.90 : x
  2. Step 2: Convert to fraction form
    292,413.12/437,928.75 = 142,755.90/x
  3. Step 3: Cross multiply
    292,413.12x = 437,928.75 × 142,755.90
  4. Step 4: Simplify right side
    292,413.12x = 62,516,912,842.13
  5. Step 5: Solve for x
    x = 62,516,912,842.13/292,413.12
  6. Step 6: Final answer
    x = 213,796.54

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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.