Home / 456,285.30-684,199.53-140,701.20

Finding the Fourth Proportional to 456,285.30, 684,199.53 and 140,701.20

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Solution

The fourth proportional to 456,285.30, 684,199.53 and 140,701.20 is: 210,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,285.30 : 684,199.53 = 140,701.20 : x
  2. Step 2: Convert to fraction form
    456,285.30/684,199.53 = 140,701.20/x
  3. Step 3: Cross multiply
    456,285.30x = 684,199.53 × 140,701.20
  4. Step 4: Simplify right side
    456,285.30x = 96,267,694,910.44
  5. Step 5: Solve for x
    x = 96,267,694,910.44/456,285.30
  6. Step 6: Final answer
    x = 210,981.36

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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.