Home / 348,717.70-522,577.50-198,648.28

Finding the Fourth Proportional to 348,717.70, 522,577.50 and 198,648.28

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Solution

The fourth proportional to 348,717.70, 522,577.50 and 198,648.28 is: 297,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,717.70 : 522,577.50 = 198,648.28 : x
  2. Step 2: Convert to fraction form
    348,717.70/522,577.50 = 198,648.28/x
  3. Step 3: Cross multiply
    348,717.70x = 522,577.50 × 198,648.28
  4. Step 4: Simplify right side
    348,717.70x = 103,809,121,541.70
  5. Step 5: Solve for x
    x = 103,809,121,541.70/348,717.70
  6. Step 6: Final answer
    x = 297,688.13

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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.