Finding the Fourth Proportional to 245,084.06, 338,247.71 and 137,654.09
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Solution
The fourth proportional to 245,084.06, 338,247.71 and 137,654.09 is: 189,980.45
Step by Step Solution
- Step 1: Write the proportion equation
245,084.06 : 338,247.71 = 137,654.09 : x - Step 2: Convert to fraction form
245,084.06/338,247.71 = 137,654.09/x - Step 3: Cross multiply
245,084.06x = 338,247.71 × 137,654.09 - Step 4: Simplify right side
245,084.06x = 46,561,179,367.53 - Step 5: Solve for x
x = 46,561,179,367.53/245,084.06 - Step 6: Final answer
x = 189,980.45
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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.