Finding the Fourth Proportional to 203,988.06, 305,972.73 and 70,878.74
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Solution
The fourth proportional to 203,988.06, 305,972.73 and 70,878.74 is: 106,314.85
Step by Step Solution
- Step 1: Write the proportion equation
203,988.06 : 305,972.73 = 70,878.74 : x - Step 2: Convert to fraction form
203,988.06/305,972.73 = 70,878.74/x - Step 3: Cross multiply
203,988.06x = 305,972.73 × 70,878.74 - Step 4: Simplify right side
203,988.06x = 21,686,960,046.90 - Step 5: Solve for x
x = 21,686,960,046.90/203,988.06 - Step 6: Final answer
x = 106,314.85
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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.