Home / 280,254.94-386,760.02-152,938.73

Finding the Fourth Proportional to 280,254.94, 386,760.02 and 152,938.73

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Solution

The fourth proportional to 280,254.94, 386,760.02 and 152,938.73 is: 211,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,254.94 : 386,760.02 = 152,938.73 : x
  2. Step 2: Convert to fraction form
    280,254.94/386,760.02 = 152,938.73/x
  3. Step 3: Cross multiply
    280,254.94x = 386,760.02 × 152,938.73
  4. Step 4: Simplify right side
    280,254.94x = 59,150,586,475.78
  5. Step 5: Solve for x
    x = 59,150,586,475.78/280,254.94
  6. Step 6: Final answer
    x = 211,059.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.