Home / 347,433.48-520,459.02-169,420.68

Finding the Fourth Proportional to 347,433.48, 520,459.02 and 169,420.68

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Solution

The fourth proportional to 347,433.48, 520,459.02 and 169,420.68 is: 253,793.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,433.48 : 520,459.02 = 169,420.68 : x
  2. Step 2: Convert to fraction form
    347,433.48/520,459.02 = 169,420.68/x
  3. Step 3: Cross multiply
    347,433.48x = 520,459.02 × 169,420.68
  4. Step 4: Simplify right side
    347,433.48x = 88,176,521,080.53
  5. Step 5: Solve for x
    x = 88,176,521,080.53/347,433.48
  6. Step 6: Final answer
    x = 253,793.97

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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.