Home / 435,421.07-653,380.34-169,146.93

Finding the Fourth Proportional to 435,421.07, 653,380.34 and 169,146.93

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Solution

The fourth proportional to 435,421.07, 653,380.34 and 169,146.93 is: 253,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,421.07 : 653,380.34 = 169,146.93 : x
  2. Step 2: Convert to fraction form
    435,421.07/653,380.34 = 169,146.93/x
  3. Step 3: Cross multiply
    435,421.07x = 653,380.34 × 169,146.93
  4. Step 4: Simplify right side
    435,421.07x = 110,517,278,633.36
  5. Step 5: Solve for x
    x = 110,517,278,633.36/435,421.07
  6. Step 6: Final answer
    x = 253,817.02

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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.