Finding the Fourth Proportional to 74,746.05, 112,080.60 and 22,148.70
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Solution
The fourth proportional to 74,746.05, 112,080.60 and 22,148.70 is: 33,211.65
Step by Step Solution
- Step 1: Write the proportion equation
74,746.05 : 112,080.60 = 22,148.70 : x - Step 2: Convert to fraction form
74,746.05/112,080.60 = 22,148.70/x - Step 3: Cross multiply
74,746.05x = 112,080.60 × 22,148.70 - Step 4: Simplify right side
74,746.05x = 2,482,439,585.22 - Step 5: Solve for x
x = 2,482,439,585.22/74,746.05 - Step 6: Final answer
x = 33,211.65
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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.