Home / 435,416.34-653,373.22-169,142.18

Finding the Fourth Proportional to 435,416.34, 653,373.22 and 169,142.18

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Solution

The fourth proportional to 435,416.34, 653,373.22 and 169,142.18 is: 253,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,416.34 : 653,373.22 = 169,142.18 : x
  2. Step 2: Convert to fraction form
    435,416.34/653,373.22 = 169,142.18/x
  3. Step 3: Cross multiply
    435,416.34x = 653,373.22 × 169,142.18
  4. Step 4: Simplify right side
    435,416.34x = 110,512,970,784.42
  5. Step 5: Solve for x
    x = 110,512,970,784.42/435,416.34
  6. Step 6: Final answer
    x = 253,809.88

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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.