Finding the Fourth Proportional to 274,654.52, 411,983.10 and 97,161.68
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Solution
The fourth proportional to 274,654.52, 411,983.10 and 97,161.68 is: 145,742.99
Step by Step Solution
- Step 1: Write the proportion equation
274,654.52 : 411,983.10 = 97,161.68 : x - Step 2: Convert to fraction form
274,654.52/411,983.10 = 97,161.68/x - Step 3: Cross multiply
274,654.52x = 411,983.10 × 97,161.68 - Step 4: Simplify right side
274,654.52x = 40,028,970,127.61 - Step 5: Solve for x
x = 40,028,970,127.61/274,654.52 - Step 6: Final answer
x = 145,742.99
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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.