Finding the Fourth Proportional to 178,207.80, 245,926.97 and 97,640.48
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Solution
The fourth proportional to 178,207.80, 245,926.97 and 97,640.48 is: 134,743.98
Step by Step Solution
- Step 1: Write the proportion equation
178,207.80 : 245,926.97 = 97,640.48 : x - Step 2: Convert to fraction form
178,207.80/245,926.97 = 97,640.48/x - Step 3: Cross multiply
178,207.80x = 245,926.97 × 97,640.48 - Step 4: Simplify right side
178,207.80x = 24,012,427,395.75 - Step 5: Solve for x
x = 24,012,427,395.75/178,207.80 - Step 6: Final answer
x = 134,743.98
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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.