Finding the Fourth Proportional to 148,276.70, 222,415.05 and 141,387.65
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Solution
The fourth proportional to 148,276.70, 222,415.05 and 141,387.65 is: 212,081.48
Step by Step Solution
- Step 1: Write the proportion equation
148,276.70 : 222,415.05 = 141,387.65 : x - Step 2: Convert to fraction form
148,276.70/222,415.05 = 141,387.65/x - Step 3: Cross multiply
148,276.70x = 222,415.05 × 141,387.65 - Step 4: Simplify right side
148,276.70x = 31,446,741,244.13 - Step 5: Solve for x
x = 31,446,741,244.13/148,276.70 - Step 6: Final answer
x = 212,081.48
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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.