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Finding the Fourth Proportional to 447,835.68, 671,730.48 and 167,330.88

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Solution

The fourth proportional to 447,835.68, 671,730.48 and 167,330.88 is: 250,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,835.68 : 671,730.48 = 167,330.88 : x
  2. Step 2: Convert to fraction form
    447,835.68/671,730.48 = 167,330.88/x
  3. Step 3: Cross multiply
    447,835.68x = 671,730.48 × 167,330.88
  4. Step 4: Simplify right side
    447,835.68x = 112,401,252,341.22
  5. Step 5: Solve for x
    x = 112,401,252,341.22/447,835.68
  6. Step 6: Final answer
    x = 250,987.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.