Home / 272,449.08-408,142.26-153,761.40

Finding the Fourth Proportional to 272,449.08, 408,142.26 and 153,761.40

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Solution

The fourth proportional to 272,449.08, 408,142.26 and 153,761.40 is: 230,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,449.08 : 408,142.26 = 153,761.40 : x
  2. Step 2: Convert to fraction form
    272,449.08/408,142.26 = 153,761.40/x
  3. Step 3: Cross multiply
    272,449.08x = 408,142.26 × 153,761.40
  4. Step 4: Simplify right side
    272,449.08x = 62,756,525,296.76
  5. Step 5: Solve for x
    x = 62,756,525,296.76/272,449.08
  6. Step 6: Final answer
    x = 230,342.22

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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.