Home / 205,365.56-307,730.82-160,280.04

Finding the Fourth Proportional to 205,365.56, 307,730.82 and 160,280.04

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Solution

The fourth proportional to 205,365.56, 307,730.82 and 160,280.04 is: 240,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,365.56 : 307,730.82 = 160,280.04 : x
  2. Step 2: Convert to fraction form
    205,365.56/307,730.82 = 160,280.04/x
  3. Step 3: Cross multiply
    205,365.56x = 307,730.82 × 160,280.04
  4. Step 4: Simplify right side
    205,365.56x = 49,323,108,138.83
  5. Step 5: Solve for x
    x = 49,323,108,138.83/205,365.56
  6. Step 6: Final answer
    x = 240,172.25

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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.