Home / 330,135.10-496,259.70-306,734.20

Finding the Fourth Proportional to 330,135.10, 496,259.70 and 306,734.20

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Solution

The fourth proportional to 330,135.10, 496,259.70 and 306,734.20 is: 461,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,135.10 : 496,259.70 = 306,734.20 : x
  2. Step 2: Convert to fraction form
    330,135.10/496,259.70 = 306,734.20/x
  3. Step 3: Cross multiply
    330,135.10x = 496,259.70 × 306,734.20
  4. Step 4: Simplify right side
    330,135.10x = 152,219,822,071.74
  5. Step 5: Solve for x
    x = 152,219,822,071.74/330,135.10
  6. Step 6: Final answer
    x = 461,083.42

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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.