Home / 385,281.20-577,662.60-174,810.80

Finding the Fourth Proportional to 385,281.20, 577,662.60 and 174,810.80

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Solution

The fourth proportional to 385,281.20, 577,662.60 and 174,810.80 is: 262,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,281.20 : 577,662.60 = 174,810.80 : x
  2. Step 2: Convert to fraction form
    385,281.20/577,662.60 = 174,810.80/x
  3. Step 3: Cross multiply
    385,281.20x = 577,662.60 × 174,810.80
  4. Step 4: Simplify right side
    385,281.20x = 100,981,661,236.08
  5. Step 5: Solve for x
    x = 100,981,661,236.08/385,281.20
  6. Step 6: Final answer
    x = 262,098.60

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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.