Home / 487,065.60-672,145.29-269,273.34

Finding the Fourth Proportional to 487,065.60, 672,145.29 and 269,273.34

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Solution

The fourth proportional to 487,065.60, 672,145.29 and 269,273.34 is: 371,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,065.60 : 672,145.29 = 269,273.34 : x
  2. Step 2: Convert to fraction form
    487,065.60/672,145.29 = 269,273.34/x
  3. Step 3: Cross multiply
    487,065.60x = 672,145.29 × 269,273.34
  4. Step 4: Simplify right side
    487,065.60x = 180,990,807,203.57
  5. Step 5: Solve for x
    x = 180,990,807,203.57/487,065.60
  6. Step 6: Final answer
    x = 371,594.31

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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.