Finding the Fourth Proportional to 187,320.75, 258,502.48 and 102,437.79
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Solution
The fourth proportional to 187,320.75, 258,502.48 and 102,437.79 is: 141,364.07
Step by Step Solution
- Step 1: Write the proportion equation
187,320.75 : 258,502.48 = 102,437.79 : x - Step 2: Convert to fraction form
187,320.75/258,502.48 = 102,437.79/x - Step 3: Cross multiply
187,320.75x = 258,502.48 × 102,437.79 - Step 4: Simplify right side
187,320.75x = 26,480,422,760.72 - Step 5: Solve for x
x = 26,480,422,760.72/187,320.75 - Step 6: Final answer
x = 141,364.07
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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.