Home / 287,835.60-397,204.38-160,532.76

Finding the Fourth Proportional to 287,835.60, 397,204.38 and 160,532.76

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Solution

The fourth proportional to 287,835.60, 397,204.38 and 160,532.76 is: 221,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,835.60 : 397,204.38 = 160,532.76 : x
  2. Step 2: Convert to fraction form
    287,835.60/397,204.38 = 160,532.76/x
  3. Step 3: Cross multiply
    287,835.60x = 397,204.38 × 160,532.76
  4. Step 4: Simplify right side
    287,835.60x = 63,764,315,405.49
  5. Step 5: Solve for x
    x = 63,764,315,405.49/287,835.60
  6. Step 6: Final answer
    x = 221,530.33

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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.