Finding the Fourth Proportional to 187,522.75, 258,783.83 and 102,637.99
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Solution
The fourth proportional to 187,522.75, 258,783.83 and 102,637.99 is: 141,641.76
Step by Step Solution
- Step 1: Write the proportion equation
187,522.75 : 258,783.83 = 102,637.99 : x - Step 2: Convert to fraction form
187,522.75/258,783.83 = 102,637.99/x - Step 3: Cross multiply
187,522.75x = 258,783.83 × 102,637.99 - Step 4: Simplify right side
187,522.75x = 26,561,052,155.70 - Step 5: Solve for x
x = 26,561,052,155.70/187,522.75 - Step 6: Final answer
x = 141,641.76
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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.