Finding the Fourth Proportional to 187,583.06, 258,871.14 and 102,700.70
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Solution
The fourth proportional to 187,583.06, 258,871.14 and 102,700.70 is: 141,730.53
Step by Step Solution
- Step 1: Write the proportion equation
187,583.06 : 258,871.14 = 102,700.70 : x - Step 2: Convert to fraction form
187,583.06/258,871.14 = 102,700.70/x - Step 3: Cross multiply
187,583.06x = 258,871.14 × 102,700.70 - Step 4: Simplify right side
187,583.06x = 26,586,247,287.80 - Step 5: Solve for x
x = 26,586,247,287.80/187,583.06 - Step 6: Final answer
x = 141,730.53
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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.