Finding the Fourth Proportional to 208,947.05, 313,303.93 and 68,693.93
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Solution
The fourth proportional to 208,947.05, 313,303.93 and 68,693.93 is: 103,002.55
Step by Step Solution
- Step 1: Write the proportion equation
208,947.05 : 313,303.93 = 68,693.93 : x - Step 2: Convert to fraction form
208,947.05/313,303.93 = 68,693.93/x - Step 3: Cross multiply
208,947.05x = 313,303.93 × 68,693.93 - Step 4: Simplify right side
208,947.05x = 21,522,078,236.14 - Step 5: Solve for x
x = 21,522,078,236.14/208,947.05 - Step 6: Final answer
x = 103,002.55
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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.