Home / 285,046.12-427,633.98-151,856.20

Finding the Fourth Proportional to 285,046.12, 427,633.98 and 151,856.20

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Solution

The fourth proportional to 285,046.12, 427,633.98 and 151,856.20 is: 227,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,046.12 : 427,633.98 = 151,856.20 : x
  2. Step 2: Convert to fraction form
    285,046.12/427,633.98 = 151,856.20/x
  3. Step 3: Cross multiply
    285,046.12x = 427,633.98 × 151,856.20
  4. Step 4: Simplify right side
    285,046.12x = 64,938,871,193.68
  5. Step 5: Solve for x
    x = 64,938,871,193.68/285,046.12
  6. Step 6: Final answer
    x = 227,818.82

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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.