Home / 245,441.50-368,166.80-76,958.06

Finding the Fourth Proportional to 245,441.50, 368,166.80 and 76,958.06

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Solution

The fourth proportional to 245,441.50, 368,166.80 and 76,958.06 is: 115,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,441.50 : 368,166.80 = 76,958.06 : x
  2. Step 2: Convert to fraction form
    245,441.50/368,166.80 = 76,958.06/x
  3. Step 3: Cross multiply
    245,441.50x = 368,166.80 × 76,958.06
  4. Step 4: Simplify right side
    245,441.50x = 28,333,402,684.41
  5. Step 5: Solve for x
    x = 28,333,402,684.41/245,441.50
  6. Step 6: Final answer
    x = 115,438.52

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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.