Finding the Fourth Proportional to 135,897.48, 187,627.23 and 88,286.49
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Solution
The fourth proportional to 135,897.48, 187,627.23 and 88,286.49 is: 121,892.99
Step by Step Solution
- Step 1: Write the proportion equation
135,897.48 : 187,627.23 = 88,286.49 : x - Step 2: Convert to fraction form
135,897.48/187,627.23 = 88,286.49/x - Step 3: Cross multiply
135,897.48x = 187,627.23 × 88,286.49 - Step 4: Simplify right side
135,897.48x = 16,564,949,565.12 - Step 5: Solve for x
x = 16,564,949,565.12/135,897.48 - Step 6: Final answer
x = 121,892.99
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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.