Home / 229,011.40-343,519.29-86,818.43

Finding the Fourth Proportional to 229,011.40, 343,519.29 and 86,818.43

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Solution

The fourth proportional to 229,011.40, 343,519.29 and 86,818.43 is: 130,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,011.40 : 343,519.29 = 86,818.43 : x
  2. Step 2: Convert to fraction form
    229,011.40/343,519.29 = 86,818.43/x
  3. Step 3: Cross multiply
    229,011.40x = 343,519.29 × 86,818.43
  4. Step 4: Simplify right side
    229,011.40x = 29,823,805,432.51
  5. Step 5: Solve for x
    x = 29,823,805,432.51/229,011.40
  6. Step 6: Final answer
    x = 130,228.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.