Finding the Fourth Proportional to 651,126.68, 976,832.73 and 218,828.65
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Solution
The fourth proportional to 651,126.68, 976,832.73 and 218,828.65 is: 328,290.94
Step by Step Solution
- Step 1: Write the proportion equation
651,126.68 : 976,832.73 = 218,828.65 : x - Step 2: Convert to fraction form
651,126.68/976,832.73 = 218,828.65/x - Step 3: Cross multiply
651,126.68x = 976,832.73 × 218,828.65 - Step 4: Simplify right side
651,126.68x = 213,758,987,581.71 - Step 5: Solve for x
x = 213,758,987,581.71/651,126.68 - Step 6: Final answer
x = 328,290.94
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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.