Home / 418,254.42-577,194.75-227,267.81

Finding the Fourth Proportional to 418,254.42, 577,194.75 and 227,267.81

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Solution

The fourth proportional to 418,254.42, 577,194.75 and 227,267.81 is: 313,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,254.42 : 577,194.75 = 227,267.81 : x
  2. Step 2: Convert to fraction form
    418,254.42/577,194.75 = 227,267.81/x
  3. Step 3: Cross multiply
    418,254.42x = 577,194.75 × 227,267.81
  4. Step 4: Simplify right side
    418,254.42x = 131,177,788,317.06
  5. Step 5: Solve for x
    x = 131,177,788,317.06/418,254.42
  6. Step 6: Final answer
    x = 313,631.56

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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.