Home / 438,740.39-658,150.74-123,195.17

Finding the Fourth Proportional to 438,740.39, 658,150.74 and 123,195.17

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Solution

The fourth proportional to 438,740.39, 658,150.74 and 123,195.17 is: 184,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,740.39 : 658,150.74 = 123,195.17 : x
  2. Step 2: Convert to fraction form
    438,740.39/658,150.74 = 123,195.17/x
  3. Step 3: Cross multiply
    438,740.39x = 658,150.74 × 123,195.17
  4. Step 4: Simplify right side
    438,740.39x = 81,080,989,009.17
  5. Step 5: Solve for x
    x = 81,080,989,009.17/438,740.39
  6. Step 6: Final answer
    x = 184,804.02

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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.