Home / 285,268.48-393,674.96-156,204.80

Finding the Fourth Proportional to 285,268.48, 393,674.96 and 156,204.80

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Solution

The fourth proportional to 285,268.48, 393,674.96 and 156,204.80 is: 215,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,268.48 : 393,674.96 = 156,204.80 : x
  2. Step 2: Convert to fraction form
    285,268.48/393,674.96 = 156,204.80/x
  3. Step 3: Cross multiply
    285,268.48x = 393,674.96 × 156,204.80
  4. Step 4: Simplify right side
    285,268.48x = 61,493,920,065.32
  5. Step 5: Solve for x
    x = 61,493,920,065.32/285,268.48
  6. Step 6: Final answer
    x = 215,565.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.