Home / 330,430.20-495,645.30-237,118.20

Finding the Fourth Proportional to 330,430.20, 495,645.30 and 237,118.20

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Solution

The fourth proportional to 330,430.20, 495,645.30 and 237,118.20 is: 355,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,430.20 : 495,645.30 = 237,118.20 : x
  2. Step 2: Convert to fraction form
    330,430.20/495,645.30 = 237,118.20/x
  3. Step 3: Cross multiply
    330,430.20x = 495,645.30 × 237,118.20
  4. Step 4: Simplify right side
    330,430.20x = 117,526,521,374.46
  5. Step 5: Solve for x
    x = 117,526,521,374.46/330,430.20
  6. Step 6: Final answer
    x = 355,677.30

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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.