Home / 272,059.20-408,088.80-165,614.40

Finding the Fourth Proportional to 272,059.20, 408,088.80 and 165,614.40

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Solution

The fourth proportional to 272,059.20, 408,088.80 and 165,614.40 is: 248,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,059.20 : 408,088.80 = 165,614.40 : x
  2. Step 2: Convert to fraction form
    272,059.20/408,088.80 = 165,614.40/x
  3. Step 3: Cross multiply
    272,059.20x = 408,088.80 × 165,614.40
  4. Step 4: Simplify right side
    272,059.20x = 67,585,381,758.72
  5. Step 5: Solve for x
    x = 67,585,381,758.72/272,059.20
  6. Step 6: Final answer
    x = 248,421.60

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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.