Home / 255,059.10-382,127.85-218,195.10

Finding the Fourth Proportional to 255,059.10, 382,127.85 and 218,195.10

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Solution

The fourth proportional to 255,059.10, 382,127.85 and 218,195.10 is: 326,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,059.10 : 382,127.85 = 218,195.10 : x
  2. Step 2: Convert to fraction form
    255,059.10/382,127.85 = 218,195.10/x
  3. Step 3: Cross multiply
    255,059.10x = 382,127.85 × 218,195.10
  4. Step 4: Simplify right side
    255,059.10x = 83,378,424,443.54
  5. Step 5: Solve for x
    x = 83,378,424,443.54/255,059.10
  6. Step 6: Final answer
    x = 326,898.45

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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.