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Finding the Fourth Proportional to 171,482.57, 257,237.13 and 51,530.14

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Solution

The fourth proportional to 171,482.57, 257,237.13 and 51,530.14 is: 77,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,482.57 : 257,237.13 = 51,530.14 : x
  2. Step 2: Convert to fraction form
    171,482.57/257,237.13 = 51,530.14/x
  3. Step 3: Cross multiply
    171,482.57x = 257,237.13 × 51,530.14
  4. Step 4: Simplify right side
    171,482.57x = 13,255,465,836.88
  5. Step 5: Solve for x
    x = 13,255,465,836.88/171,482.57
  6. Step 6: Final answer
    x = 77,299.20

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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.