Home / 418,348.65-577,325.61-227,362.05

Finding the Fourth Proportional to 418,348.65, 577,325.61 and 227,362.05

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Solution

The fourth proportional to 418,348.65, 577,325.61 and 227,362.05 is: 313,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,348.65 : 577,325.61 = 227,362.05 : x
  2. Step 2: Convert to fraction form
    418,348.65/577,325.61 = 227,362.05/x
  3. Step 3: Cross multiply
    418,348.65x = 577,325.61 × 227,362.05
  4. Step 4: Simplify right side
    418,348.65x = 131,261,934,207.10
  5. Step 5: Solve for x
    x = 131,261,934,207.10/418,348.65
  6. Step 6: Final answer
    x = 313,762.06

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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.