Home / 209,117.76-315,252.23-195,587.52

Finding the Fourth Proportional to 209,117.76, 315,252.23 and 195,587.52

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Solution

The fourth proportional to 209,117.76, 315,252.23 and 195,587.52 is: 294,854.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,117.76 : 315,252.23 = 195,587.52 : x
  2. Step 2: Convert to fraction form
    209,117.76/315,252.23 = 195,587.52/x
  3. Step 3: Cross multiply
    209,117.76x = 315,252.23 × 195,587.52
  4. Step 4: Simplify right side
    209,117.76x = 61,659,401,840.17
  5. Step 5: Solve for x
    x = 61,659,401,840.17/209,117.76
  6. Step 6: Final answer
    x = 294,854.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.