Home / 268,316.28-370,283.76-147,459

Finding the Fourth Proportional to 268,316.28, 370,283.76 and 147,459

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Solution

The fourth proportional to 268,316.28, 370,283.76 and 147,459 is: 203,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,316.28 : 370,283.76 = 147,459 : x
  2. Step 2: Convert to fraction form
    268,316.28/370,283.76 = 147,459/x
  3. Step 3: Cross multiply
    268,316.28x = 370,283.76 × 147,459
  4. Step 4: Simplify right side
    268,316.28x = 54,601,672,965.84
  5. Step 5: Solve for x
    x = 54,601,672,965.84/268,316.28
  6. Step 6: Final answer
    x = 203,497.43

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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.