Home / 370,332.43-511,090.22-209,217.05

Finding the Fourth Proportional to 370,332.43, 511,090.22 and 209,217.05

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Solution

The fourth proportional to 370,332.43, 511,090.22 and 209,217.05 is: 288,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,332.43 : 511,090.22 = 209,217.05 : x
  2. Step 2: Convert to fraction form
    370,332.43/511,090.22 = 209,217.05/x
  3. Step 3: Cross multiply
    370,332.43x = 511,090.22 × 209,217.05
  4. Step 4: Simplify right side
    370,332.43x = 106,928,788,112.25
  5. Step 5: Solve for x
    x = 106,928,788,112.25/370,332.43
  6. Step 6: Final answer
    x = 288,737.31

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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.