Home / 399,117.48-598,156.40-162,183.16

Finding the Fourth Proportional to 399,117.48, 598,156.40 and 162,183.16

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Solution

The fourth proportional to 399,117.48, 598,156.40 and 162,183.16 is: 243,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,117.48 : 598,156.40 = 162,183.16 : x
  2. Step 2: Convert to fraction form
    399,117.48/598,156.40 = 162,183.16/x
  3. Step 3: Cross multiply
    399,117.48x = 598,156.40 × 162,183.16
  4. Step 4: Simplify right side
    399,117.48x = 97,010,897,505.55
  5. Step 5: Solve for x
    x = 97,010,897,505.55/399,117.48
  6. Step 6: Final answer
    x = 243,063.52

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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.