Home / 348,545.10-522,817.65-259,971.60

Finding the Fourth Proportional to 348,545.10, 522,817.65 and 259,971.60

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Solution

The fourth proportional to 348,545.10, 522,817.65 and 259,971.60 is: 389,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,545.10 : 522,817.65 = 259,971.60 : x
  2. Step 2: Convert to fraction form
    348,545.10/522,817.65 = 259,971.60/x
  3. Step 3: Cross multiply
    348,545.10x = 522,817.65 × 259,971.60
  4. Step 4: Simplify right side
    348,545.10x = 135,917,740,978.74
  5. Step 5: Solve for x
    x = 135,917,740,978.74/348,545.10
  6. Step 6: Final answer
    x = 389,957.40

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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.