Finding the Fourth Proportional to 207,268.20, 310,902.30 and 157,501.80
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Solution
The fourth proportional to 207,268.20, 310,902.30 and 157,501.80 is: 236,252.70
Step by Step Solution
- Step 1: Write the proportion equation
207,268.20 : 310,902.30 = 157,501.80 : x - Step 2: Convert to fraction form
207,268.20/310,902.30 = 157,501.80/x - Step 3: Cross multiply
207,268.20x = 310,902.30 × 157,501.80 - Step 4: Simplify right side
207,268.20x = 48,967,671,874.14 - Step 5: Solve for x
x = 48,967,671,874.14/207,268.20 - Step 6: Final answer
x = 236,252.70
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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.