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Finding the Fourth Proportional to 273,267.80, 409,901.70 and 255,642.20

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Solution

The fourth proportional to 273,267.80, 409,901.70 and 255,642.20 is: 383,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,267.80 : 409,901.70 = 255,642.20 : x
  2. Step 2: Convert to fraction form
    273,267.80/409,901.70 = 255,642.20/x
  3. Step 3: Cross multiply
    273,267.80x = 409,901.70 × 255,642.20
  4. Step 4: Simplify right side
    273,267.80x = 104,788,172,371.74
  5. Step 5: Solve for x
    x = 104,788,172,371.74/273,267.80
  6. Step 6: Final answer
    x = 383,463.30

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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.