Finding the Fourth Proportional to 187,177.36, 258,305.43 and 102,294.46
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Solution
The fourth proportional to 187,177.36, 258,305.43 and 102,294.46 is: 141,166.72
Step by Step Solution
- Step 1: Write the proportion equation
187,177.36 : 258,305.43 = 102,294.46 : x - Step 2: Convert to fraction form
187,177.36/258,305.43 = 102,294.46/x - Step 3: Cross multiply
187,177.36x = 258,305.43 × 102,294.46 - Step 4: Simplify right side
187,177.36x = 26,423,214,476.92 - Step 5: Solve for x
x = 26,423,214,476.92/187,177.36 - Step 6: Final answer
x = 141,166.72
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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.