Finding the Fourth Proportional to 384,373.84, 576,560.92 and 103,891.09
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Solution
The fourth proportional to 384,373.84, 576,560.92 and 103,891.09 is: 155,836.68
Step by Step Solution
- Step 1: Write the proportion equation
384,373.84 : 576,560.92 = 103,891.09 : x - Step 2: Convert to fraction form
384,373.84/576,560.92 = 103,891.09/x - Step 3: Cross multiply
384,373.84x = 576,560.92 × 103,891.09 - Step 4: Simplify right side
384,373.84x = 59,899,542,430.20 - Step 5: Solve for x
x = 59,899,542,430.20/384,373.84 - Step 6: Final answer
x = 155,836.68
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1.5x scale
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.