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Finding the Fourth Proportional to 249,100.33, 373,709.78 and 80,620.66

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Solution

The fourth proportional to 249,100.33, 373,709.78 and 80,620.66 is: 120,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,100.33 : 373,709.78 = 80,620.66 : x
  2. Step 2: Convert to fraction form
    249,100.33/373,709.78 = 80,620.66/x
  3. Step 3: Cross multiply
    249,100.33x = 373,709.78 × 80,620.66
  4. Step 4: Simplify right side
    249,100.33x = 30,128,727,922.50
  5. Step 5: Solve for x
    x = 30,128,727,922.50/249,100.33
  6. Step 6: Final answer
    x = 120,950.17

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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.