Home / 438,541.51-657,757.59-123,023.02

Finding the Fourth Proportional to 438,541.51, 657,757.59 and 123,023.02

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Solution

The fourth proportional to 438,541.51, 657,757.59 and 123,023.02 is: 184,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,541.51 : 657,757.59 = 123,023.02 : x
  2. Step 2: Convert to fraction form
    438,541.51/657,757.59 = 123,023.02/x
  3. Step 3: Cross multiply
    438,541.51x = 657,757.59 × 123,023.02
  4. Step 4: Simplify right side
    438,541.51x = 80,919,325,149.72
  5. Step 5: Solve for x
    x = 80,919,325,149.72/438,541.51
  6. Step 6: Final answer
    x = 184,519.19

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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.