Home / 353,257.47-487,248.28-232,360.11

Finding the Fourth Proportional to 353,257.47, 487,248.28 and 232,360.11

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Solution

The fourth proportional to 353,257.47, 487,248.28 and 232,360.11 is: 320,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,257.47 : 487,248.28 = 232,360.11 : x
  2. Step 2: Convert to fraction form
    353,257.47/487,248.28 = 232,360.11/x
  3. Step 3: Cross multiply
    353,257.47x = 487,248.28 × 232,360.11
  4. Step 4: Simplify right side
    353,257.47x = 113,217,063,357.21
  5. Step 5: Solve for x
    x = 113,217,063,357.21/353,257.47
  6. Step 6: Final answer
    x = 320,494.46

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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.