Home / 407,438.29-562,238.17-226,141.39

Finding the Fourth Proportional to 407,438.29, 562,238.17 and 226,141.39

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Solution

The fourth proportional to 407,438.29, 562,238.17 and 226,141.39 is: 312,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,438.29 : 562,238.17 = 226,141.39 : x
  2. Step 2: Convert to fraction form
    407,438.29/562,238.17 = 226,141.39/x
  3. Step 3: Cross multiply
    407,438.29x = 562,238.17 × 226,141.39
  4. Step 4: Simplify right side
    407,438.29x = 127,145,321,274.86
  5. Step 5: Solve for x
    x = 127,145,321,274.86/407,438.29
  6. Step 6: Final answer
    x = 312,060.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.