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Finding the Fourth Proportional to 625,014.46, 937,869.16 and 305,170.24

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Solution

The fourth proportional to 625,014.46, 937,869.16 and 305,170.24 is: 457,925.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,014.46 : 937,869.16 = 305,170.24 : x
  2. Step 2: Convert to fraction form
    625,014.46/937,869.16 = 305,170.24/x
  3. Step 3: Cross multiply
    625,014.46x = 937,869.16 × 305,170.24
  4. Step 4: Simplify right side
    625,014.46x = 286,209,756,645.80
  5. Step 5: Solve for x
    x = 286,209,756,645.80/625,014.46
  6. Step 6: Final answer
    x = 457,925.02

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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.