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Finding the Fourth Proportional to 309,778.72, 463,494.24 and 183,486.72

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Solution

The fourth proportional to 309,778.72, 463,494.24 and 183,486.72 is: 274,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,778.72 : 463,494.24 = 183,486.72 : x
  2. Step 2: Convert to fraction form
    309,778.72/463,494.24 = 183,486.72/x
  3. Step 3: Cross multiply
    309,778.72x = 463,494.24 × 183,486.72
  4. Step 4: Simplify right side
    309,778.72x = 85,045,037,836.49
  5. Step 5: Solve for x
    x = 85,045,037,836.49/309,778.72
  6. Step 6: Final answer
    x = 274,534.80

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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.