Home / 418,222.08-577,133.64-227,231.37

Finding the Fourth Proportional to 418,222.08, 577,133.64 and 227,231.37

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Solution

The fourth proportional to 418,222.08, 577,133.64 and 227,231.37 is: 313,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,222.08 : 577,133.64 = 227,231.37 : x
  2. Step 2: Convert to fraction form
    418,222.08/577,133.64 = 227,231.37/x
  3. Step 3: Cross multiply
    418,222.08x = 577,133.64 × 227,231.37
  4. Step 4: Simplify right side
    418,222.08x = 131,142,867,690.29
  5. Step 5: Solve for x
    x = 131,142,867,690.29/418,222.08
  6. Step 6: Final answer
    x = 313,572.32

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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.