Finding the Fourth Proportional to 245,526.95, 338,918.97 and 160,644.02
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Solution
The fourth proportional to 245,526.95, 338,918.97 and 160,644.02 is: 221,748.79
Step by Step Solution
- Step 1: Write the proportion equation
245,526.95 : 338,918.97 = 160,644.02 : x - Step 2: Convert to fraction form
245,526.95/338,918.97 = 160,644.02/x - Step 3: Cross multiply
245,526.95x = 338,918.97 × 160,644.02 - Step 4: Simplify right side
245,526.95x = 54,445,304,100.46 - Step 5: Solve for x
x = 54,445,304,100.46/245,526.95 - Step 6: Final answer
x = 221,748.79
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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.