Finding the Fourth Proportional to 187,464.19, 258,700.58 and 102,581.25
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Solution
The fourth proportional to 187,464.19, 258,700.58 and 102,581.25 is: 141,562.12
Step by Step Solution
- Step 1: Write the proportion equation
187,464.19 : 258,700.58 = 102,581.25 : x - Step 2: Convert to fraction form
187,464.19/258,700.58 = 102,581.25/x - Step 3: Cross multiply
187,464.19x = 258,700.58 × 102,581.25 - Step 4: Simplify right side
187,464.19x = 26,537,828,872.13 - Step 5: Solve for x
x = 26,537,828,872.13/187,464.19 - Step 6: Final answer
x = 141,562.12
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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.