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Finding the Fourth Proportional to 328,269.69, 492,404.67 and 253,499.13

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Solution

The fourth proportional to 328,269.69, 492,404.67 and 253,499.13 is: 380,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,269.69 : 492,404.67 = 253,499.13 : x
  2. Step 2: Convert to fraction form
    328,269.69/492,404.67 = 253,499.13/x
  3. Step 3: Cross multiply
    328,269.69x = 492,404.67 × 253,499.13
  4. Step 4: Simplify right side
    328,269.69x = 124,824,155,452.94
  5. Step 5: Solve for x
    x = 124,824,155,452.94/328,269.69
  6. Step 6: Final answer
    x = 380,248.80

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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.