Finding the Fourth Proportional to 88,894.16, 133,187.64 and 47,214.80
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Solution
The fourth proportional to 88,894.16, 133,187.64 and 47,214.80 is: 70,740.62
Step by Step Solution
- Step 1: Write the proportion equation
88,894.16 : 133,187.64 = 47,214.80 : x - Step 2: Convert to fraction form
88,894.16/133,187.64 = 47,214.80/x - Step 3: Cross multiply
88,894.16x = 133,187.64 × 47,214.80 - Step 4: Simplify right side
88,894.16x = 6,288,427,785.07 - Step 5: Solve for x
x = 6,288,427,785.07/88,894.16 - Step 6: Final answer
x = 70,740.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.