Finding the Fourth Proportional to 187,661.84, 258,963.66 and 102,762.50
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Solution
The fourth proportional to 187,661.84, 258,963.66 and 102,762.50 is: 141,806.95
Step by Step Solution
- Step 1: Write the proportion equation
187,661.84 : 258,963.66 = 102,762.50 : x - Step 2: Convert to fraction form
187,661.84/258,963.66 = 102,762.50/x - Step 3: Cross multiply
187,661.84x = 258,963.66 × 102,762.50 - Step 4: Simplify right side
187,661.84x = 26,611,753,110.75 - Step 5: Solve for x
x = 26,611,753,110.75/187,661.84 - Step 6: Final answer
x = 141,806.95
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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.