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Finding the Fourth Proportional to 296,510.69, 444,766.94 and 71,870.24

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Solution

The fourth proportional to 296,510.69, 444,766.94 and 71,870.24 is: 107,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,510.69 : 444,766.94 = 71,870.24 : x
  2. Step 2: Convert to fraction form
    296,510.69/444,766.94 = 71,870.24/x
  3. Step 3: Cross multiply
    296,510.69x = 444,766.94 × 71,870.24
  4. Step 4: Simplify right side
    296,510.69x = 31,965,506,721.87
  5. Step 5: Solve for x
    x = 31,965,506,721.87/296,510.69
  6. Step 6: Final answer
    x = 107,805.58

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1.5x scale

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.