Finding the Fourth Proportional to 187,178.92, 258,306.28 and 102,295.96
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Solution
The fourth proportional to 187,178.92, 258,306.28 and 102,295.96 is: 141,168.08
Step by Step Solution
- Step 1: Write the proportion equation
187,178.92 : 258,306.28 = 102,295.96 : x - Step 2: Convert to fraction form
187,178.92/258,306.28 = 102,295.96/x - Step 3: Cross multiply
187,178.92x = 258,306.28 × 102,295.96 - Step 4: Simplify right side
187,178.92x = 26,423,688,886.63 - Step 5: Solve for x
x = 26,423,688,886.63/187,178.92 - Step 6: Final answer
x = 141,168.08
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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.