Finding the Fourth Proportional to 177,644.31, 245,149.79 and 97,071.84
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Solution
The fourth proportional to 177,644.31, 245,149.79 and 97,071.84 is: 133,959.49
Step by Step Solution
- Step 1: Write the proportion equation
177,644.31 : 245,149.79 = 97,071.84 : x - Step 2: Convert to fraction form
177,644.31/245,149.79 = 97,071.84/x - Step 3: Cross multiply
177,644.31x = 245,149.79 × 97,071.84 - Step 4: Simplify right side
177,644.31x = 23,797,140,705.55 - Step 5: Solve for x
x = 23,797,140,705.55/177,644.31 - Step 6: Final answer
x = 133,959.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.