Finding the Fourth Proportional to 370,532.22, 511,310.69 and 207,202.18
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Solution
The fourth proportional to 370,532.22, 511,310.69 and 207,202.18 is: 285,925.71
Step by Step Solution
- Step 1: Write the proportion equation
370,532.22 : 511,310.69 = 207,202.18 : x - Step 2: Convert to fraction form
370,532.22/511,310.69 = 207,202.18/x - Step 3: Cross multiply
370,532.22x = 511,310.69 × 207,202.18 - Step 4: Simplify right side
370,532.22x = 105,944,689,625.30 - Step 5: Solve for x
x = 105,944,689,625.30/370,532.22 - Step 6: Final answer
x = 285,925.71
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1.5x scale
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.