Home / 348,419.16-522,188.13-198,744.09

Finding the Fourth Proportional to 348,419.16, 522,188.13 and 198,744.09

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Solution

The fourth proportional to 348,419.16, 522,188.13 and 198,744.09 is: 297,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,419.16 : 522,188.13 = 198,744.09 : x
  2. Step 2: Convert to fraction form
    348,419.16/522,188.13 = 198,744.09/x
  3. Step 3: Cross multiply
    348,419.16x = 522,188.13 × 198,744.09
  4. Step 4: Simplify right side
    348,419.16x = 103,781,804,705.65
  5. Step 5: Solve for x
    x = 103,781,804,705.65/348,419.16
  6. Step 6: Final answer
    x = 297,864.80

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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.