Home / 343,836.20-474,663.30-216,707.24

Finding the Fourth Proportional to 343,836.20, 474,663.30 and 216,707.24

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Solution

The fourth proportional to 343,836.20, 474,663.30 and 216,707.24 is: 299,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,836.20 : 474,663.30 = 216,707.24 : x
  2. Step 2: Convert to fraction form
    343,836.20/474,663.30 = 216,707.24/x
  3. Step 3: Cross multiply
    343,836.20x = 474,663.30 × 216,707.24
  4. Step 4: Simplify right side
    343,836.20x = 102,862,973,672.29
  5. Step 5: Solve for x
    x = 102,862,973,672.29/343,836.20
  6. Step 6: Final answer
    x = 299,162.72

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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.