Home / 330,242.77-495,208.03-127,933.65

Finding the Fourth Proportional to 330,242.77, 495,208.03 and 127,933.65

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Solution

The fourth proportional to 330,242.77, 495,208.03 and 127,933.65 is: 191,839.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,242.77 : 495,208.03 = 127,933.65 : x
  2. Step 2: Convert to fraction form
    330,242.77/495,208.03 = 127,933.65/x
  3. Step 3: Cross multiply
    330,242.77x = 495,208.03 × 127,933.65
  4. Step 4: Simplify right side
    330,242.77x = 63,353,770,787.21
  5. Step 5: Solve for x
    x = 63,353,770,787.21/330,242.77
  6. Step 6: Final answer
    x = 191,839.99

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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.