Home / 228,901.06-343,336.55-79,106.50

Finding the Fourth Proportional to 228,901.06, 343,336.55 and 79,106.50

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Solution

The fourth proportional to 228,901.06, 343,336.55 and 79,106.50 is: 118,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,901.06 : 343,336.55 = 79,106.50 : x
  2. Step 2: Convert to fraction form
    228,901.06/343,336.55 = 79,106.50/x
  3. Step 3: Cross multiply
    228,901.06x = 343,336.55 × 79,106.50
  4. Step 4: Simplify right side
    228,901.06x = 27,160,152,792.58
  5. Step 5: Solve for x
    x = 27,160,152,792.58/228,901.06
  6. Step 6: Final answer
    x = 118,654.55

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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.