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Finding the Fourth Proportional to 450,846.81, 676,360.53 and 147,261.24

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Solution

The fourth proportional to 450,846.81, 676,360.53 and 147,261.24 is: 220,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,846.81 : 676,360.53 = 147,261.24 : x
  2. Step 2: Convert to fraction form
    450,846.81/676,360.53 = 147,261.24/x
  3. Step 3: Cross multiply
    450,846.81x = 676,360.53 × 147,261.24
  4. Step 4: Simplify right side
    450,846.81x = 99,601,690,334.86
  5. Step 5: Solve for x
    x = 99,601,690,334.86/450,846.81
  6. Step 6: Final answer
    x = 220,921.36

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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.