Home / 330,002.40-495,004.32-152,457.60

Finding the Fourth Proportional to 330,002.40, 495,004.32 and 152,457.60

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Solution

The fourth proportional to 330,002.40, 495,004.32 and 152,457.60 is: 228,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,002.40 : 495,004.32 = 152,457.60 : x
  2. Step 2: Convert to fraction form
    330,002.40/495,004.32 = 152,457.60/x
  3. Step 3: Cross multiply
    330,002.40x = 495,004.32 × 152,457.60
  4. Step 4: Simplify right side
    330,002.40x = 75,467,170,616.83
  5. Step 5: Solve for x
    x = 75,467,170,616.83/330,002.40
  6. Step 6: Final answer
    x = 228,686.73

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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.