Home / 252,844.20-379,266.30-163,031.40

Finding the Fourth Proportional to 252,844.20, 379,266.30 and 163,031.40

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Solution

The fourth proportional to 252,844.20, 379,266.30 and 163,031.40 is: 244,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,844.20 : 379,266.30 = 163,031.40 : x
  2. Step 2: Convert to fraction form
    252,844.20/379,266.30 = 163,031.40/x
  3. Step 3: Cross multiply
    252,844.20x = 379,266.30 × 163,031.40
  4. Step 4: Simplify right side
    252,844.20x = 61,832,315,861.82
  5. Step 5: Solve for x
    x = 61,832,315,861.82/252,844.20
  6. Step 6: Final answer
    x = 244,547.10

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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.