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Finding the Fourth Proportional to 306,519.94, 459,779.46 and 96,174.28

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Solution

The fourth proportional to 306,519.94, 459,779.46 and 96,174.28 is: 144,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,519.94 : 459,779.46 = 96,174.28 : x
  2. Step 2: Convert to fraction form
    306,519.94/459,779.46 = 96,174.28/x
  3. Step 3: Cross multiply
    306,519.94x = 459,779.46 × 96,174.28
  4. Step 4: Simplify right side
    306,519.94x = 44,218,958,524.29
  5. Step 5: Solve for x
    x = 44,218,958,524.29/306,519.94
  6. Step 6: Final answer
    x = 144,261.28

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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.