Home / 242,909.72-366,214.32-225,785.51

Finding the Fourth Proportional to 242,909.72, 366,214.32 and 225,785.51

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Solution

The fourth proportional to 242,909.72, 366,214.32 and 225,785.51 is: 340,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,909.72 : 366,214.32 = 225,785.51 : x
  2. Step 2: Convert to fraction form
    242,909.72/366,214.32 = 225,785.51/x
  3. Step 3: Cross multiply
    242,909.72x = 366,214.32 × 225,785.51
  4. Step 4: Simplify right side
    242,909.72x = 82,685,887,010.50
  5. Step 5: Solve for x
    x = 82,685,887,010.50/242,909.72
  6. Step 6: Final answer
    x = 340,397.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.