Home / 291,831.77-437,761.08-89,413.38

Finding the Fourth Proportional to 291,831.77, 437,761.08 and 89,413.38

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Solution

The fourth proportional to 291,831.77, 437,761.08 and 89,413.38 is: 134,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,831.77 : 437,761.08 = 89,413.38 : x
  2. Step 2: Convert to fraction form
    291,831.77/437,761.08 = 89,413.38/x
  3. Step 3: Cross multiply
    291,831.77x = 437,761.08 × 89,413.38
  4. Step 4: Simplify right side
    291,831.77x = 39,141,697,795.25
  5. Step 5: Solve for x
    x = 39,141,697,795.25/291,831.77
  6. Step 6: Final answer
    x = 134,124.18

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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.