Home / 418,328.10-577,296.36-227,341.44

Finding the Fourth Proportional to 418,328.10, 577,296.36 and 227,341.44

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Solution

The fourth proportional to 418,328.10, 577,296.36 and 227,341.44 is: 313,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,328.10 : 577,296.36 = 227,341.44 : x
  2. Step 2: Convert to fraction form
    418,328.10/577,296.36 = 227,341.44/x
  3. Step 3: Cross multiply
    418,328.10x = 577,296.36 × 227,341.44
  4. Step 4: Simplify right side
    418,328.10x = 131,243,385,789.16
  5. Step 5: Solve for x
    x = 131,243,385,789.16/418,328.10
  6. Step 6: Final answer
    x = 313,733.13

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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.