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Finding the Fourth Proportional to 491,666.04, 737,499.06 and 281,156.76

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Solution

The fourth proportional to 491,666.04, 737,499.06 and 281,156.76 is: 421,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,666.04 : 737,499.06 = 281,156.76 : x
  2. Step 2: Convert to fraction form
    491,666.04/737,499.06 = 281,156.76/x
  3. Step 3: Cross multiply
    491,666.04x = 737,499.06 × 281,156.76
  4. Step 4: Simplify right side
    491,666.04x = 207,352,846,212.65
  5. Step 5: Solve for x
    x = 207,352,846,212.65/491,666.04
  6. Step 6: Final answer
    x = 421,735.14

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1.5x scale

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.