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Finding the Fourth Proportional to 298,000.62, 447,438.33 and 186,157.44

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Solution

The fourth proportional to 298,000.62, 447,438.33 and 186,157.44 is: 279,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,000.62 : 447,438.33 = 186,157.44 : x
  2. Step 2: Convert to fraction form
    298,000.62/447,438.33 = 186,157.44/x
  3. Step 3: Cross multiply
    298,000.62x = 447,438.33 × 186,157.44
  4. Step 4: Simplify right side
    298,000.62x = 83,293,974,070.68
  5. Step 5: Solve for x
    x = 83,293,974,070.68/298,000.62
  6. Step 6: Final answer
    x = 279,509.40

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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.