Home / 330,811.20-496,411.20-120,470.40

Finding the Fourth Proportional to 330,811.20, 496,411.20 and 120,470.40

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Solution

The fourth proportional to 330,811.20, 496,411.20 and 120,470.40 is: 180,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,811.20 : 496,411.20 = 120,470.40 : x
  2. Step 2: Convert to fraction form
    330,811.20/496,411.20 = 120,470.40/x
  3. Step 3: Cross multiply
    330,811.20x = 496,411.20 × 120,470.40
  4. Step 4: Simplify right side
    330,811.20x = 59,802,855,828.48
  5. Step 5: Solve for x
    x = 59,802,855,828.48/330,811.20
  6. Step 6: Final answer
    x = 180,776.39

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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.