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Finding the Fourth Proportional to 289,950.50, 400,132.42 and 169,174.82

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Solution

The fourth proportional to 289,950.50, 400,132.42 and 169,174.82 is: 233,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,950.50 : 400,132.42 = 169,174.82 : x
  2. Step 2: Convert to fraction form
    289,950.50/400,132.42 = 169,174.82/x
  3. Step 3: Cross multiply
    289,950.50x = 400,132.42 × 169,174.82
  4. Step 4: Simplify right side
    289,950.50x = 67,692,330,129.66
  5. Step 5: Solve for x
    x = 67,692,330,129.66/289,950.50
  6. Step 6: Final answer
    x = 233,461.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.