Home / 418,118.02-577,006.89-227,135.14

Finding the Fourth Proportional to 418,118.02, 577,006.89 and 227,135.14

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Solution

The fourth proportional to 418,118.02, 577,006.89 and 227,135.14 is: 313,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,118.02 : 577,006.89 = 227,135.14 : x
  2. Step 2: Convert to fraction form
    418,118.02/577,006.89 = 227,135.14/x
  3. Step 3: Cross multiply
    418,118.02x = 577,006.89 × 227,135.14
  4. Step 4: Simplify right side
    418,118.02x = 131,058,540,741.12
  5. Step 5: Solve for x
    x = 131,058,540,741.12/418,118.02
  6. Step 6: Final answer
    x = 313,448.68

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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.