Home / 219,228.20-328,842.30-144,432.80

Finding the Fourth Proportional to 219,228.20, 328,842.30 and 144,432.80

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Solution

The fourth proportional to 219,228.20, 328,842.30 and 144,432.80 is: 216,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,228.20 : 328,842.30 = 144,432.80 : x
  2. Step 2: Convert to fraction form
    219,228.20/328,842.30 = 144,432.80/x
  3. Step 3: Cross multiply
    219,228.20x = 328,842.30 × 144,432.80
  4. Step 4: Simplify right side
    219,228.20x = 47,495,614,147.44
  5. Step 5: Solve for x
    x = 47,495,614,147.44/219,228.20
  6. Step 6: Final answer
    x = 216,649.20

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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.