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Finding the Fourth Proportional to 328,024.80, 492,037.20 and 106,408.80

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Solution

The fourth proportional to 328,024.80, 492,037.20 and 106,408.80 is: 159,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,024.80 : 492,037.20 = 106,408.80 : x
  2. Step 2: Convert to fraction form
    328,024.80/492,037.20 = 106,408.80/x
  3. Step 3: Cross multiply
    328,024.80x = 492,037.20 × 106,408.80
  4. Step 4: Simplify right side
    328,024.80x = 52,357,088,007.36
  5. Step 5: Solve for x
    x = 52,357,088,007.36/328,024.80
  6. Step 6: Final answer
    x = 159,613.20

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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.