Home / 254,955.95-382,269.76-219,428.09

Finding the Fourth Proportional to 254,955.95, 382,269.76 and 219,428.09

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Solution

The fourth proportional to 254,955.95, 382,269.76 and 219,428.09 is: 329,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,955.95 : 382,269.76 = 219,428.09 : x
  2. Step 2: Convert to fraction form
    254,955.95/382,269.76 = 219,428.09/x
  3. Step 3: Cross multiply
    254,955.95x = 382,269.76 × 219,428.09
  4. Step 4: Simplify right side
    254,955.95x = 83,880,723,301.56
  5. Step 5: Solve for x
    x = 83,880,723,301.56/254,955.95
  6. Step 6: Final answer
    x = 329,000.85

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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.