Home / 285,281.29-393,694.37-156,225.25

Finding the Fourth Proportional to 285,281.29, 393,694.37 and 156,225.25

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Solution

The fourth proportional to 285,281.29, 393,694.37 and 156,225.25 is: 215,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,281.29 : 393,694.37 = 156,225.25 : x
  2. Step 2: Convert to fraction form
    285,281.29/393,694.37 = 156,225.25/x
  3. Step 3: Cross multiply
    285,281.29x = 393,694.37 × 156,225.25
  4. Step 4: Simplify right side
    285,281.29x = 61,505,000,595.72
  5. Step 5: Solve for x
    x = 61,505,000,595.72/285,281.29
  6. Step 6: Final answer
    x = 215,594.23

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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.