Finding the Fourth Proportional to 245,370.93, 338,601.99 and 137,938.68
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Solution
The fourth proportional to 245,370.93, 338,601.99 and 137,938.68 is: 190,349.82
Step by Step Solution
- Step 1: Write the proportion equation
245,370.93 : 338,601.99 = 137,938.68 : x - Step 2: Convert to fraction form
245,370.93/338,601.99 = 137,938.68/x - Step 3: Cross multiply
245,370.93x = 338,601.99 × 137,938.68 - Step 4: Simplify right side
245,370.93x = 46,706,311,545.97 - Step 5: Solve for x
x = 46,706,311,545.97/245,370.93 - Step 6: Final answer
x = 190,349.82
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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.