Finding the Fourth Proportional to 659,966.26, 910,764.36 and 358,160.26
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Solution
The fourth proportional to 659,966.26, 910,764.36 and 358,160.26 is: 494,267.09
Step by Step Solution
- Step 1: Write the proportion equation
659,966.26 : 910,764.36 = 358,160.26 : x - Step 2: Convert to fraction form
659,966.26/910,764.36 = 358,160.26/x - Step 3: Cross multiply
659,966.26x = 910,764.36 × 358,160.26 - Step 4: Simplify right side
659,966.26x = 326,199,599,976.33 - Step 5: Solve for x
x = 326,199,599,976.33/659,966.26 - Step 6: Final answer
x = 494,267.09
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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.