Finding the Fourth Proportional to 229,957.89, 345,159.29 and 165,981.99
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Solution
The fourth proportional to 229,957.89, 345,159.29 and 165,981.99 is: 249,133.55
Step by Step Solution
- Step 1: Write the proportion equation
229,957.89 : 345,159.29 = 165,981.99 : x - Step 2: Convert to fraction form
229,957.89/345,159.29 = 165,981.99/x - Step 3: Cross multiply
229,957.89x = 345,159.29 × 165,981.99 - Step 4: Simplify right side
229,957.89x = 57,290,223,265.48 - Step 5: Solve for x
x = 57,290,223,265.48/229,957.89 - Step 6: Final answer
x = 249,133.55
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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.