Finding the Fourth Proportional to 97,177.79, 145,778.36 and 91,863.38
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Solution
The fourth proportional to 97,177.79, 145,778.36 and 91,863.38 is: 137,806.10
Step by Step Solution
- Step 1: Write the proportion equation
97,177.79 : 145,778.36 = 91,863.38 : x - Step 2: Convert to fraction form
97,177.79/145,778.36 = 91,863.38/x - Step 3: Cross multiply
97,177.79x = 145,778.36 × 91,863.38 - Step 4: Simplify right side
97,177.79x = 13,391,691,692.25 - Step 5: Solve for x
x = 13,391,691,692.25/97,177.79 - Step 6: Final answer
x = 137,806.10
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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.