Finding the Fourth Proportional to 135,377.61, 203,252.76 and 68,862.75
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Solution
The fourth proportional to 135,377.61, 203,252.76 and 68,862.75 is: 103,388.91
Step by Step Solution
- Step 1: Write the proportion equation
135,377.61 : 203,252.76 = 68,862.75 : x - Step 2: Convert to fraction form
135,377.61/203,252.76 = 68,862.75/x - Step 3: Cross multiply
135,377.61x = 203,252.76 × 68,862.75 - Step 4: Simplify right side
135,377.61x = 13,996,543,998.69 - Step 5: Solve for x
x = 13,996,543,998.69/135,377.61 - Step 6: Final answer
x = 103,388.91
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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.