Finding the Fourth Proportional to 274,363.79, 411,244.62 and 141,251.13
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Solution
The fourth proportional to 274,363.79, 411,244.62 and 141,251.13 is: 211,721.70
Step by Step Solution
- Step 1: Write the proportion equation
274,363.79 : 411,244.62 = 141,251.13 : x - Step 2: Convert to fraction form
274,363.79/411,244.62 = 141,251.13/x - Step 3: Cross multiply
274,363.79x = 411,244.62 × 141,251.13 - Step 4: Simplify right side
274,363.79x = 58,088,767,281.42 - Step 5: Solve for x
x = 58,088,767,281.42/274,363.79 - Step 6: Final answer
x = 211,721.70
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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.