Finding the Fourth Proportional to 370,693.29, 555,405.09 and 202,331.76
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Solution
The fourth proportional to 370,693.29, 555,405.09 and 202,331.76 is: 303,151.12
Step by Step Solution
- Step 1: Write the proportion equation
370,693.29 : 555,405.09 = 202,331.76 : x - Step 2: Convert to fraction form
370,693.29/555,405.09 = 202,331.76/x - Step 3: Cross multiply
370,693.29x = 555,405.09 × 202,331.76 - Step 4: Simplify right side
370,693.29x = 112,376,086,531.15 - Step 5: Solve for x
x = 112,376,086,531.15/370,693.29 - Step 6: Final answer
x = 303,151.12
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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.