Home / 272,024.20-408,036.30-165,579.40

Finding the Fourth Proportional to 272,024.20, 408,036.30 and 165,579.40

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Solution

The fourth proportional to 272,024.20, 408,036.30 and 165,579.40 is: 248,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,024.20 : 408,036.30 = 165,579.40 : x
  2. Step 2: Convert to fraction form
    272,024.20/408,036.30 = 165,579.40/x
  3. Step 3: Cross multiply
    272,024.20x = 408,036.30 × 165,579.40
  4. Step 4: Simplify right side
    272,024.20x = 67,562,405,732.22
  5. Step 5: Solve for x
    x = 67,562,405,732.22/272,024.20
  6. Step 6: Final answer
    x = 248,369.10

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1.5x scale

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.