Home / 305,114.02-457,650.50-105,437.14

Finding the Fourth Proportional to 305,114.02, 457,650.50 and 105,437.14

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Solution

The fourth proportional to 305,114.02, 457,650.50 and 105,437.14 is: 158,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,114.02 : 457,650.50 = 105,437.14 : x
  2. Step 2: Convert to fraction form
    305,114.02/457,650.50 = 105,437.14/x
  3. Step 3: Cross multiply
    305,114.02x = 457,650.50 × 105,437.14
  4. Step 4: Simplify right side
    305,114.02x = 48,253,359,839.57
  5. Step 5: Solve for x
    x = 48,253,359,839.57/305,114.02
  6. Step 6: Final answer
    x = 158,148.62

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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.