Finding the Fourth Proportional to 97,092.72, 145,638.84 and 30,538.68
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Solution
The fourth proportional to 97,092.72, 145,638.84 and 30,538.68 is: 45,807.94
Step by Step Solution
- Step 1: Write the proportion equation
97,092.72 : 145,638.84 = 30,538.68 : x - Step 2: Convert to fraction form
97,092.72/145,638.84 = 30,538.68/x - Step 3: Cross multiply
97,092.72x = 145,638.84 × 30,538.68 - Step 4: Simplify right side
97,092.72x = 4,447,617,930.33 - Step 5: Solve for x
x = 4,447,617,930.33/97,092.72 - Step 6: Final answer
x = 45,807.94
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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.