Home / 205,026.60-307,539.90-197,153.40

Finding the Fourth Proportional to 205,026.60, 307,539.90 and 197,153.40

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Solution

The fourth proportional to 205,026.60, 307,539.90 and 197,153.40 is: 295,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,026.60 : 307,539.90 = 197,153.40 : x
  2. Step 2: Convert to fraction form
    205,026.60/307,539.90 = 197,153.40/x
  3. Step 3: Cross multiply
    205,026.60x = 307,539.90 × 197,153.40
  4. Step 4: Simplify right side
    205,026.60x = 60,632,536,920.66
  5. Step 5: Solve for x
    x = 60,632,536,920.66/205,026.60
  6. Step 6: Final answer
    x = 295,730.10

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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.