Home / 235,621.60-353,432.40-142,309.60

Finding the Fourth Proportional to 235,621.60, 353,432.40 and 142,309.60

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Solution

The fourth proportional to 235,621.60, 353,432.40 and 142,309.60 is: 213,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,621.60 : 353,432.40 = 142,309.60 : x
  2. Step 2: Convert to fraction form
    235,621.60/353,432.40 = 142,309.60/x
  3. Step 3: Cross multiply
    235,621.60x = 353,432.40 × 142,309.60
  4. Step 4: Simplify right side
    235,621.60x = 50,296,823,471.04
  5. Step 5: Solve for x
    x = 50,296,823,471.04/235,621.60
  6. Step 6: Final answer
    x = 213,464.40

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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.