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Finding the Fourth Proportional to 330,154.66, 495,253.05 and 93,515.59

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Solution

The fourth proportional to 330,154.66, 495,253.05 and 93,515.59 is: 140,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,154.66 : 495,253.05 = 93,515.59 : x
  2. Step 2: Convert to fraction form
    330,154.66/495,253.05 = 93,515.59/x
  3. Step 3: Cross multiply
    330,154.66x = 495,253.05 × 93,515.59
  4. Step 4: Simplify right side
    330,154.66x = 46,313,881,170.05
  5. Step 5: Solve for x
    x = 46,313,881,170.05/330,154.66
  6. Step 6: Final answer
    x = 140,279.35

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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.