Finding the Fourth Proportional to 97,281.72, 145,909.50 and 27,168.12
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Solution
The fourth proportional to 97,281.72, 145,909.50 and 27,168.12 is: 40,748.53
Step by Step Solution
- Step 1: Write the proportion equation
97,281.72 : 145,909.50 = 27,168.12 : x - Step 2: Convert to fraction form
97,281.72/145,909.50 = 27,168.12/x - Step 3: Cross multiply
97,281.72x = 145,909.50 × 27,168.12 - Step 4: Simplify right side
97,281.72x = 3,964,086,805.14 - Step 5: Solve for x
x = 3,964,086,805.14/97,281.72 - Step 6: Final answer
x = 40,748.53
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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.