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Finding the Fourth Proportional to 306,404.80, 459,650.40 and 96,020.80

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Solution

The fourth proportional to 306,404.80, 459,650.40 and 96,020.80 is: 144,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,404.80 : 459,650.40 = 96,020.80 : x
  2. Step 2: Convert to fraction form
    306,404.80/459,650.40 = 96,020.80/x
  3. Step 3: Cross multiply
    306,404.80x = 459,650.40 × 96,020.80
  4. Step 4: Simplify right side
    306,404.80x = 44,135,999,128.32
  5. Step 5: Solve for x
    x = 44,135,999,128.32/306,404.80
  6. Step 6: Final answer
    x = 144,044.74

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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.