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Finding the Fourth Proportional to 306,407.38, 459,684.89 and 96,045.31

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Solution

The fourth proportional to 306,407.38, 459,684.89 and 96,045.31 is: 144,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,407.38 : 459,684.89 = 96,045.31 : x
  2. Step 2: Convert to fraction form
    306,407.38/459,684.89 = 96,045.31/x
  3. Step 3: Cross multiply
    306,407.38x = 459,684.89 × 96,045.31
  4. Step 4: Simplify right side
    306,407.38x = 44,150,577,762.37
  5. Step 5: Solve for x
    x = 44,150,577,762.37/306,407.38
  6. Step 6: Final answer
    x = 144,091.10

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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.