Home / 287,764.20-432,035.10-182,788.20

Finding the Fourth Proportional to 287,764.20, 432,035.10 and 182,788.20

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Solution

The fourth proportional to 287,764.20, 432,035.10 and 182,788.20 is: 274,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,764.20 : 432,035.10 = 182,788.20 : x
  2. Step 2: Convert to fraction form
    287,764.20/432,035.10 = 182,788.20/x
  3. Step 3: Cross multiply
    287,764.20x = 432,035.10 × 182,788.20
  4. Step 4: Simplify right side
    287,764.20x = 78,970,918,265.82
  5. Step 5: Solve for x
    x = 78,970,918,265.82/287,764.20
  6. Step 6: Final answer
    x = 274,429.27

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1.5x scale

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.