Home / 418,368.14-577,348.10-227,381.52

Finding the Fourth Proportional to 418,368.14, 577,348.10 and 227,381.52

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Solution

The fourth proportional to 418,368.14, 577,348.10 and 227,381.52 is: 313,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,368.14 : 577,348.10 = 227,381.52 : x
  2. Step 2: Convert to fraction form
    418,368.14/577,348.10 = 227,381.52/x
  3. Step 3: Cross multiply
    418,368.14x = 577,348.10 × 227,381.52
  4. Step 4: Simplify right side
    418,368.14x = 131,278,287,410.20
  5. Step 5: Solve for x
    x = 131,278,287,410.20/418,368.14
  6. Step 6: Final answer
    x = 313,786.53

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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.