Home / 353,206.31-487,427.24-192,060.20

Finding the Fourth Proportional to 353,206.31, 487,427.24 and 192,060.20

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Solution

The fourth proportional to 353,206.31, 487,427.24 and 192,060.20 is: 265,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,206.31 : 487,427.24 = 192,060.20 : x
  2. Step 2: Convert to fraction form
    353,206.31/487,427.24 = 192,060.20/x
  3. Step 3: Cross multiply
    353,206.31x = 487,427.24 × 192,060.20
  4. Step 4: Simplify right side
    353,206.31x = 93,615,369,802.41
  5. Step 5: Solve for x
    x = 93,615,369,802.41/353,206.31
  6. Step 6: Final answer
    x = 265,044.45

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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.