Finding the Fourth Proportional to 513,067.06, 769,725.16 and 158,081.07
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Solution
The fourth proportional to 513,067.06, 769,725.16 and 158,081.07 is: 237,159.99
Step by Step Solution
- Step 1: Write the proportion equation
513,067.06 : 769,725.16 = 158,081.07 : x - Step 2: Convert to fraction form
513,067.06/769,725.16 = 158,081.07/x - Step 3: Cross multiply
513,067.06x = 769,725.16 × 158,081.07 - Step 4: Simplify right side
513,067.06x = 121,678,976,898.72 - Step 5: Solve for x
x = 121,678,976,898.72/513,067.06 - Step 6: Final answer
x = 237,159.99
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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.