Finding the Fourth Proportional to 659,911.13, 910,677.36 and 358,105.13
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Solution
The fourth proportional to 659,911.13, 910,677.36 and 358,105.13 is: 494,185.07
Step by Step Solution
- Step 1: Write the proportion equation
659,911.13 : 910,677.36 = 358,105.13 : x - Step 2: Convert to fraction form
659,911.13/910,677.36 = 358,105.13/x - Step 3: Cross multiply
659,911.13x = 910,677.36 × 358,105.13 - Step 4: Simplify right side
659,911.13x = 326,118,228,046.94 - Step 5: Solve for x
x = 326,118,228,046.94/659,911.13 - Step 6: Final answer
x = 494,185.07
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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.