Home / 219,276.40-329,044.20-159,962.80

Finding the Fourth Proportional to 219,276.40, 329,044.20 and 159,962.80

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Solution

The fourth proportional to 219,276.40, 329,044.20 and 159,962.80 is: 240,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,276.40 : 329,044.20 = 159,962.80 : x
  2. Step 2: Convert to fraction form
    219,276.40/329,044.20 = 159,962.80/x
  3. Step 3: Cross multiply
    219,276.40x = 329,044.20 × 159,962.80
  4. Step 4: Simplify right side
    219,276.40x = 52,634,831,555.76
  5. Step 5: Solve for x
    x = 52,634,831,555.76/219,276.40
  6. Step 6: Final answer
    x = 240,038.74

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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.