Home / 385,081.20-577,314.60-163,282.80

Finding the Fourth Proportional to 385,081.20, 577,314.60 and 163,282.80

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Solution

The fourth proportional to 385,081.20, 577,314.60 and 163,282.80 is: 244,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,081.20 : 577,314.60 = 163,282.80 : x
  2. Step 2: Convert to fraction form
    385,081.20/577,314.60 = 163,282.80/x
  3. Step 3: Cross multiply
    385,081.20x = 577,314.60 × 163,282.80
  4. Step 4: Simplify right side
    385,081.20x = 94,265,544,368.88
  5. Step 5: Solve for x
    x = 94,265,544,368.88/385,081.20
  6. Step 6: Final answer
    x = 244,793.94

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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.