Home / 353,417.31-487,715.72-192,272.18

Finding the Fourth Proportional to 353,417.31, 487,715.72 and 192,272.18

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Solution

The fourth proportional to 353,417.31, 487,715.72 and 192,272.18 is: 265,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,417.31 : 487,715.72 = 192,272.18 : x
  2. Step 2: Convert to fraction form
    353,417.31/487,715.72 = 192,272.18/x
  3. Step 3: Cross multiply
    353,417.31x = 487,715.72 × 192,272.18
  4. Step 4: Simplify right side
    353,417.31x = 93,774,161,304.73
  5. Step 5: Solve for x
    x = 93,774,161,304.73/353,417.31
  6. Step 6: Final answer
    x = 265,335.51

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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.