Home / 418,271.34-577,217.62-227,285.76

Finding the Fourth Proportional to 418,271.34, 577,217.62 and 227,285.76

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Solution

The fourth proportional to 418,271.34, 577,217.62 and 227,285.76 is: 313,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,271.34 : 577,217.62 = 227,285.76 : x
  2. Step 2: Convert to fraction form
    418,271.34/577,217.62 = 227,285.76/x
  3. Step 3: Cross multiply
    418,271.34x = 577,217.62 × 227,285.76
  4. Step 4: Simplify right side
    418,271.34x = 131,193,342,561.00
  5. Step 5: Solve for x
    x = 131,193,342,561.00/418,271.34
  6. Step 6: Final answer
    x = 313,656.07

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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.