Finding the Fourth Proportional to 370,531.22, 511,309.31 and 207,201.18
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Solution
The fourth proportional to 370,531.22, 511,309.31 and 207,201.18 is: 285,924.34
Step by Step Solution
- Step 1: Write the proportion equation
370,531.22 : 511,309.31 = 207,201.18 : x - Step 2: Convert to fraction form
370,531.22/511,309.31 = 207,201.18/x - Step 3: Cross multiply
370,531.22x = 511,309.31 × 207,201.18 - Step 4: Simplify right side
370,531.22x = 105,943,892,894.99 - Step 5: Solve for x
x = 105,943,892,894.99/370,531.22 - Step 6: Final answer
x = 285,924.34
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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.