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Finding the Fourth Proportional to 318,004.50, 438,844.70 and 182,037.76

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Solution

The fourth proportional to 318,004.50, 438,844.70 and 182,037.76 is: 251,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,004.50 : 438,844.70 = 182,037.76 : x
  2. Step 2: Convert to fraction form
    318,004.50/438,844.70 = 182,037.76/x
  3. Step 3: Cross multiply
    318,004.50x = 438,844.70 × 182,037.76
  4. Step 4: Simplify right side
    318,004.50x = 79,886,306,175.87
  5. Step 5: Solve for x
    x = 79,886,306,175.87/318,004.50
  6. Step 6: Final answer
    x = 251,211.24

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1.5x scale

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.