Home / 348,423.30-480,833.55-205,156.98

Finding the Fourth Proportional to 348,423.30, 480,833.55 and 205,156.98

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Solution

The fourth proportional to 348,423.30, 480,833.55 and 205,156.98 is: 283,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,423.30 : 480,833.55 = 205,156.98 : x
  2. Step 2: Convert to fraction form
    348,423.30/480,833.55 = 205,156.98/x
  3. Step 3: Cross multiply
    348,423.30x = 480,833.55 × 205,156.98
  4. Step 4: Simplify right side
    348,423.30x = 98,646,359,000.68
  5. Step 5: Solve for x
    x = 98,646,359,000.68/348,423.30
  6. Step 6: Final answer
    x = 283,122.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.