Home / 374,287.44-516,554.70-221,375.13

Finding the Fourth Proportional to 374,287.44, 516,554.70 and 221,375.13

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Solution

The fourth proportional to 374,287.44, 516,554.70 and 221,375.13 is: 305,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,287.44 : 516,554.70 = 221,375.13 : x
  2. Step 2: Convert to fraction form
    374,287.44/516,554.70 = 221,375.13/x
  3. Step 3: Cross multiply
    374,287.44x = 516,554.70 × 221,375.13
  4. Step 4: Simplify right side
    374,287.44x = 114,352,363,864.61
  5. Step 5: Solve for x
    x = 114,352,363,864.61/374,287.44
  6. Step 6: Final answer
    x = 305,520.17

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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.