Home / 343,228.20-514,988.10-165,643.80

Finding the Fourth Proportional to 343,228.20, 514,988.10 and 165,643.80

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Solution

The fourth proportional to 343,228.20, 514,988.10 and 165,643.80 is: 248,536.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,228.20 : 514,988.10 = 165,643.80 : x
  2. Step 2: Convert to fraction form
    343,228.20/514,988.10 = 165,643.80/x
  3. Step 3: Cross multiply
    343,228.20x = 514,988.10 × 165,643.80
  4. Step 4: Simplify right side
    343,228.20x = 85,304,585,838.78
  5. Step 5: Solve for x
    x = 85,304,585,838.78/343,228.20
  6. Step 6: Final answer
    x = 248,536.06

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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.