Home / 407,402.28-562,206.66-226,103.70

Finding the Fourth Proportional to 407,402.28, 562,206.66 and 226,103.70

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Solution

The fourth proportional to 407,402.28, 562,206.66 and 226,103.70 is: 312,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,402.28 : 562,206.66 = 226,103.70 : x
  2. Step 2: Convert to fraction form
    407,402.28/562,206.66 = 226,103.70/x
  3. Step 3: Cross multiply
    407,402.28x = 562,206.66 × 226,103.70
  4. Step 4: Simplify right side
    407,402.28x = 127,117,005,990.64
  5. Step 5: Solve for x
    x = 127,117,005,990.64/407,402.28
  6. Step 6: Final answer
    x = 312,018.40

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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.