Finding the Fourth Proportional to 147,266.91, 203,218.67 and 86,834.63
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Solution
The fourth proportional to 147,266.91, 203,218.67 and 86,834.63 is: 119,826.09
Step by Step Solution
- Step 1: Write the proportion equation
147,266.91 : 203,218.67 = 86,834.63 : x - Step 2: Convert to fraction form
147,266.91/203,218.67 = 86,834.63/x - Step 3: Cross multiply
147,266.91x = 203,218.67 × 86,834.63 - Step 4: Simplify right side
147,266.91x = 17,646,418,743.68 - Step 5: Solve for x
x = 17,646,418,743.68/147,266.91 - Step 6: Final answer
x = 119,826.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.