Home / 309,035.22-426,432.60-180,002.02

Finding the Fourth Proportional to 309,035.22, 426,432.60 and 180,002.02

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Solution

The fourth proportional to 309,035.22, 426,432.60 and 180,002.02 is: 248,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,035.22 : 426,432.60 = 180,002.02 : x
  2. Step 2: Convert to fraction form
    309,035.22/426,432.60 = 180,002.02/x
  3. Step 3: Cross multiply
    309,035.22x = 426,432.60 × 180,002.02
  4. Step 4: Simplify right side
    309,035.22x = 76,758,729,393.85
  5. Step 5: Solve for x
    x = 76,758,729,393.85/309,035.22
  6. Step 6: Final answer
    x = 248,381.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.