Home / 685,161.69-1,027,811.18-235,823.10

Finding the Fourth Proportional to 685,161.69, 1,027,811.18 and 235,823.10

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Solution

The fourth proportional to 685,161.69, 1,027,811.18 and 235,823.10 is: 353,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,161.69 : 1,027,811.18 = 235,823.10 : x
  2. Step 2: Convert to fraction form
    685,161.69/1,027,811.18 = 235,823.10/x
  3. Step 3: Cross multiply
    685,161.69x = 1,027,811.18 × 235,823.10
  4. Step 4: Simplify right side
    685,161.69x = 242,381,617,503.14
  5. Step 5: Solve for x
    x = 242,381,617,503.14/685,161.69
  6. Step 6: Final answer
    x = 353,758.27

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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.