Home / 235,511.70-353,981.26-155,821.47

Finding the Fourth Proportional to 235,511.70, 353,981.26 and 155,821.47

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Solution

The fourth proportional to 235,511.70, 353,981.26 and 155,821.47 is: 234,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,511.70 : 353,981.26 = 155,821.47 : x
  2. Step 2: Convert to fraction form
    235,511.70/353,981.26 = 155,821.47/x
  3. Step 3: Cross multiply
    235,511.70x = 353,981.26 × 155,821.47
  4. Step 4: Simplify right side
    235,511.70x = 55,157,880,285.65
  5. Step 5: Solve for x
    x = 55,157,880,285.65/235,511.70
  6. Step 6: Final answer
    x = 234,204.42

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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.