Home / 340,838.79-470,336.10-187,868.55

Finding the Fourth Proportional to 340,838.79, 470,336.10 and 187,868.55

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Solution

The fourth proportional to 340,838.79, 470,336.10 and 187,868.55 is: 259,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,838.79 : 470,336.10 = 187,868.55 : x
  2. Step 2: Convert to fraction form
    340,838.79/470,336.10 = 187,868.55/x
  3. Step 3: Cross multiply
    340,838.79x = 470,336.10 × 187,868.55
  4. Step 4: Simplify right side
    340,838.79x = 88,361,361,119.66
  5. Step 5: Solve for x
    x = 88,361,361,119.66/340,838.79
  6. Step 6: Final answer
    x = 259,246.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.