Finding the Fourth Proportional to 187,132.05, 258,241.98 and 106,559.57
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Solution
The fourth proportional to 187,132.05, 258,241.98 and 106,559.57 is: 147,052.06
Step by Step Solution
- Step 1: Write the proportion equation
187,132.05 : 258,241.98 = 106,559.57 : x - Step 2: Convert to fraction form
187,132.05/258,241.98 = 106,559.57/x - Step 3: Cross multiply
187,132.05x = 258,241.98 × 106,559.57 - Step 4: Simplify right side
187,132.05x = 27,518,153,053.54 - Step 5: Solve for x
x = 27,518,153,053.54/187,132.05 - Step 6: Final answer
x = 147,052.06
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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.