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Finding the Fourth Proportional to 469,350.42, 704,047.50 and 136,926.42

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Solution

The fourth proportional to 469,350.42, 704,047.50 and 136,926.42 is: 205,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,350.42 : 704,047.50 = 136,926.42 : x
  2. Step 2: Convert to fraction form
    469,350.42/704,047.50 = 136,926.42/x
  3. Step 3: Cross multiply
    469,350.42x = 704,047.50 × 136,926.42
  4. Step 4: Simplify right side
    469,350.42x = 96,402,703,684.95
  5. Step 5: Solve for x
    x = 96,402,703,684.95/469,350.42
  6. Step 6: Final answer
    x = 205,396.01

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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.