Finding the Fourth Proportional to 274,853.40, 412,134.30 and 97,366.20
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Solution
The fourth proportional to 274,853.40, 412,134.30 and 97,366.20 is: 145,997.65
Step by Step Solution
- Step 1: Write the proportion equation
274,853.40 : 412,134.30 = 97,366.20 : x - Step 2: Convert to fraction form
274,853.40/412,134.30 = 97,366.20/x - Step 3: Cross multiply
274,853.40x = 412,134.30 × 97,366.20 - Step 4: Simplify right side
274,853.40x = 40,127,950,680.66 - Step 5: Solve for x
x = 40,127,950,680.66/274,853.40 - Step 6: Final answer
x = 145,997.65
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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.