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Finding the Fourth Proportional to 435,655.88, 653,230.08 and 169,105

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Solution

The fourth proportional to 435,655.88, 653,230.08 and 169,105 is: 253,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,655.88 : 653,230.08 = 169,105 : x
  2. Step 2: Convert to fraction form
    435,655.88/653,230.08 = 169,105/x
  3. Step 3: Cross multiply
    435,655.88x = 653,230.08 × 169,105
  4. Step 4: Simplify right side
    435,655.88x = 110,464,472,678.40
  5. Step 5: Solve for x
    x = 110,464,472,678.40/435,655.88
  6. Step 6: Final answer
    x = 253,559.01

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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.