Home / 439,238.10-658,889.55-158,718.90

Finding the Fourth Proportional to 439,238.10, 658,889.55 and 158,718.90

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Solution

The fourth proportional to 439,238.10, 658,889.55 and 158,718.90 is: 238,090.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,238.10 : 658,889.55 = 158,718.90 : x
  2. Step 2: Convert to fraction form
    439,238.10/658,889.55 = 158,718.90/x
  3. Step 3: Cross multiply
    439,238.10x = 658,889.55 × 158,718.90
  4. Step 4: Simplify right side
    439,238.10x = 104,578,224,597.50
  5. Step 5: Solve for x
    x = 104,578,224,597.50/439,238.10
  6. Step 6: Final answer
    x = 238,090.06

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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.