Home / 370,772.24-511,393.90-243,401.36

Finding the Fourth Proportional to 370,772.24, 511,393.90 and 243,401.36

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Solution

The fourth proportional to 370,772.24, 511,393.90 and 243,401.36 is: 335,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,772.24 : 511,393.90 = 243,401.36 : x
  2. Step 2: Convert to fraction form
    370,772.24/511,393.90 = 243,401.36/x
  3. Step 3: Cross multiply
    370,772.24x = 511,393.90 × 243,401.36
  4. Step 4: Simplify right side
    370,772.24x = 124,473,970,755.70
  5. Step 5: Solve for x
    x = 124,473,970,755.70/370,772.24
  6. Step 6: Final answer
    x = 335,715.45

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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.