Home / 330,039.60-494,980.12-152,376

Finding the Fourth Proportional to 330,039.60, 494,980.12 and 152,376

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Solution

The fourth proportional to 330,039.60, 494,980.12 and 152,376 is: 228,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,039.60 : 494,980.12 = 152,376 : x
  2. Step 2: Convert to fraction form
    330,039.60/494,980.12 = 152,376/x
  3. Step 3: Cross multiply
    330,039.60x = 494,980.12 × 152,376
  4. Step 4: Simplify right side
    330,039.60x = 75,423,090,765.12
  5. Step 5: Solve for x
    x = 75,423,090,765.12/330,039.60
  6. Step 6: Final answer
    x = 228,527.40

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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.