Finding the Fourth Proportional to 133,132.40, 199,691.80 and 48,886.09
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Solution
The fourth proportional to 133,132.40, 199,691.80 and 48,886.09 is: 73,326.64
Step by Step Solution
- Step 1: Write the proportion equation
133,132.40 : 199,691.80 = 48,886.09 : x - Step 2: Convert to fraction form
133,132.40/199,691.80 = 48,886.09/x - Step 3: Cross multiply
133,132.40x = 199,691.80 × 48,886.09 - Step 4: Simplify right side
133,132.40x = 9,762,151,307.06 - Step 5: Solve for x
x = 9,762,151,307.06/133,132.40 - Step 6: Final answer
x = 73,326.64
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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.