Finding the Fourth Proportional to 187,202.98, 258,266.64 and 115,458.04
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Solution
The fourth proportional to 187,202.98, 258,266.64 and 115,458.04 is: 159,286.78
Step by Step Solution
- Step 1: Write the proportion equation
187,202.98 : 258,266.64 = 115,458.04 : x - Step 2: Convert to fraction form
187,202.98/258,266.64 = 115,458.04/x - Step 3: Cross multiply
187,202.98x = 258,266.64 × 115,458.04 - Step 4: Simplify right side
187,202.98x = 29,818,960,051.79 - Step 5: Solve for x
x = 29,818,960,051.79/187,202.98 - Step 6: Final answer
x = 159,286.78
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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.