Home / 208,231.35-312,307.61-101,508.10

Finding the Fourth Proportional to 208,231.35, 312,307.61 and 101,508.10

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Solution

The fourth proportional to 208,231.35, 312,307.61 and 101,508.10 is: 152,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,231.35 : 312,307.61 = 101,508.10 : x
  2. Step 2: Convert to fraction form
    208,231.35/312,307.61 = 101,508.10/x
  3. Step 3: Cross multiply
    208,231.35x = 312,307.61 × 101,508.10
  4. Step 4: Simplify right side
    208,231.35x = 31,701,752,106.64
  5. Step 5: Solve for x
    x = 31,701,752,106.64/208,231.35
  6. Step 6: Final answer
    x = 152,242.94

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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.