Home / 438,832.72-658,271.64-123,314.23

Finding the Fourth Proportional to 438,832.72, 658,271.64 and 123,314.23

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Solution

The fourth proportional to 438,832.72, 658,271.64 and 123,314.23 is: 184,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,832.72 : 658,271.64 = 123,314.23 : x
  2. Step 2: Convert to fraction form
    438,832.72/658,271.64 = 123,314.23/x
  3. Step 3: Cross multiply
    438,832.72x = 658,271.64 × 123,314.23
  4. Step 4: Simplify right side
    438,832.72x = 81,174,260,417.44
  5. Step 5: Solve for x
    x = 81,174,260,417.44/438,832.72
  6. Step 6: Final answer
    x = 184,977.68

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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.