Home / 330,312.04-495,067.74-152,449

Finding the Fourth Proportional to 330,312.04, 495,067.74 and 152,449

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Solution

The fourth proportional to 330,312.04, 495,067.74 and 152,449 is: 228,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,312.04 : 495,067.74 = 152,449 : x
  2. Step 2: Convert to fraction form
    330,312.04/495,067.74 = 152,449/x
  3. Step 3: Cross multiply
    330,312.04x = 495,067.74 × 152,449
  4. Step 4: Simplify right side
    330,312.04x = 75,472,581,895.26
  5. Step 5: Solve for x
    x = 75,472,581,895.26/330,312.04
  6. Step 6: Final answer
    x = 228,488.74

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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.