Home / 330,015.40-494,695.05-152,212.30

Finding the Fourth Proportional to 330,015.40, 494,695.05 and 152,212.30

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Solution

The fourth proportional to 330,015.40, 494,695.05 and 152,212.30 is: 228,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,015.40 : 494,695.05 = 152,212.30 : x
  2. Step 2: Convert to fraction form
    330,015.40/494,695.05 = 152,212.30/x
  3. Step 3: Cross multiply
    330,015.40x = 494,695.05 × 152,212.30
  4. Step 4: Simplify right side
    330,015.40x = 75,298,671,359.12
  5. Step 5: Solve for x
    x = 75,298,671,359.12/330,015.40
  6. Step 6: Final answer
    x = 228,167.14

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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.