Home / 255,220.05-382,800.90-68,246.13

Finding the Fourth Proportional to 255,220.05, 382,800.90 and 68,246.13

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Solution

The fourth proportional to 255,220.05, 382,800.90 and 68,246.13 is: 102,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,220.05 : 382,800.90 = 68,246.13 : x
  2. Step 2: Convert to fraction form
    255,220.05/382,800.90 = 68,246.13/x
  3. Step 3: Cross multiply
    255,220.05x = 382,800.90 × 68,246.13
  4. Step 4: Simplify right side
    255,220.05x = 26,124,679,985.52
  5. Step 5: Solve for x
    x = 26,124,679,985.52/255,220.05
  6. Step 6: Final answer
    x = 102,361.39

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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.