Home / 348,519.30-522,778.95-269,690.10

Finding the Fourth Proportional to 348,519.30, 522,778.95 and 269,690.10

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Solution

The fourth proportional to 348,519.30, 522,778.95 and 269,690.10 is: 404,535.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,519.30 : 522,778.95 = 269,690.10 : x
  2. Step 2: Convert to fraction form
    348,519.30/522,778.95 = 269,690.10/x
  3. Step 3: Cross multiply
    348,519.30x = 522,778.95 × 269,690.10
  4. Step 4: Simplify right side
    348,519.30x = 140,988,307,303.40
  5. Step 5: Solve for x
    x = 140,988,307,303.40/348,519.30
  6. Step 6: Final answer
    x = 404,535.15

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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.