Home / 374,442.56-561,716.88-121,642.16

Finding the Fourth Proportional to 374,442.56, 561,716.88 and 121,642.16

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Solution

The fourth proportional to 374,442.56, 561,716.88 and 121,642.16 is: 182,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,442.56 : 561,716.88 = 121,642.16 : x
  2. Step 2: Convert to fraction form
    374,442.56/561,716.88 = 121,642.16/x
  3. Step 3: Cross multiply
    374,442.56x = 561,716.88 × 121,642.16
  4. Step 4: Simplify right side
    374,442.56x = 68,328,454,591.66
  5. Step 5: Solve for x
    x = 68,328,454,591.66/374,442.56
  6. Step 6: Final answer
    x = 182,480.47

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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.