Home / 370,293.35-511,005.17-209,148.71

Finding the Fourth Proportional to 370,293.35, 511,005.17 and 209,148.71

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Solution

The fourth proportional to 370,293.35, 511,005.17 and 209,148.71 is: 288,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,293.35 : 511,005.17 = 209,148.71 : x
  2. Step 2: Convert to fraction form
    370,293.35/511,005.17 = 209,148.71/x
  3. Step 3: Cross multiply
    370,293.35x = 511,005.17 × 209,148.71
  4. Step 4: Simplify right side
    370,293.35x = 106,876,070,076.68
  5. Step 5: Solve for x
    x = 106,876,070,076.68/370,293.35
  6. Step 6: Final answer
    x = 288,625.41

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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.