Finding the Fourth Proportional to 187,589.06, 258,897.54 and 106,998.08
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Solution
The fourth proportional to 187,589.06, 258,897.54 and 106,998.08 is: 147,671.40
Step by Step Solution
- Step 1: Write the proportion equation
187,589.06 : 258,897.54 = 106,998.08 : x - Step 2: Convert to fraction form
187,589.06/258,897.54 = 106,998.08/x - Step 3: Cross multiply
187,589.06x = 258,897.54 × 106,998.08 - Step 4: Simplify right side
187,589.06x = 27,701,539,696.72 - Step 5: Solve for x
x = 27,701,539,696.72/187,589.06 - Step 6: Final answer
x = 147,671.40
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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.