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Finding the Fourth Proportional to 215,048.92, 296,750.70 and 119,549.80

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Solution

The fourth proportional to 215,048.92, 296,750.70 and 119,549.80 is: 164,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,048.92 : 296,750.70 = 119,549.80 : x
  2. Step 2: Convert to fraction form
    215,048.92/296,750.70 = 119,549.80/x
  3. Step 3: Cross multiply
    215,048.92x = 296,750.70 × 119,549.80
  4. Step 4: Simplify right side
    215,048.92x = 35,476,486,834.86
  5. Step 5: Solve for x
    x = 35,476,486,834.86/215,048.92
  6. Step 6: Final answer
    x = 164,969.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.