Home / 514,007.14-770,917.82-139,942.66

Finding the Fourth Proportional to 514,007.14, 770,917.82 and 139,942.66

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Solution

The fourth proportional to 514,007.14, 770,917.82 and 139,942.66 is: 209,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,007.14 : 770,917.82 = 139,942.66 : x
  2. Step 2: Convert to fraction form
    514,007.14/770,917.82 = 139,942.66/x
  3. Step 3: Cross multiply
    514,007.14x = 770,917.82 × 139,942.66
  4. Step 4: Simplify right side
    514,007.14x = 107,884,290,372.20
  5. Step 5: Solve for x
    x = 107,884,290,372.20/514,007.14
  6. Step 6: Final answer
    x = 209,888.70

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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.