Home / 348,156.40-521,651.40-298,001.20

Finding the Fourth Proportional to 348,156.40, 521,651.40 and 298,001.20

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Solution

The fourth proportional to 348,156.40, 521,651.40 and 298,001.20 is: 446,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,156.40 : 521,651.40 = 298,001.20 : x
  2. Step 2: Convert to fraction form
    348,156.40/521,651.40 = 298,001.20/x
  3. Step 3: Cross multiply
    348,156.40x = 521,651.40 × 298,001.20
  4. Step 4: Simplify right side
    348,156.40x = 155,452,743,181.68
  5. Step 5: Solve for x
    x = 155,452,743,181.68/348,156.40
  6. Step 6: Final answer
    x = 446,502.62

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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.