Finding the Fourth Proportional to 207,248.73, 286,013.75 and 122,363.97
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Solution
The fourth proportional to 207,248.73, 286,013.75 and 122,363.97 is: 168,868.48
Step by Step Solution
- Step 1: Write the proportion equation
207,248.73 : 286,013.75 = 122,363.97 : x - Step 2: Convert to fraction form
207,248.73/286,013.75 = 122,363.97/x - Step 3: Cross multiply
207,248.73x = 286,013.75 × 122,363.97 - Step 4: Simplify right side
207,248.73x = 34,997,777,924.59 - Step 5: Solve for x
x = 34,997,777,924.59/207,248.73 - Step 6: Final answer
x = 168,868.48
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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.