Finding the Fourth Proportional to 115,207.84, 172,878.96 and 62,622.88
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Solution
The fourth proportional to 115,207.84, 172,878.96 and 62,622.88 is: 93,970.85
Step by Step Solution
- Step 1: Write the proportion equation
115,207.84 : 172,878.96 = 62,622.88 : x - Step 2: Convert to fraction form
115,207.84/172,878.96 = 62,622.88/x - Step 3: Cross multiply
115,207.84x = 172,878.96 × 62,622.88 - Step 4: Simplify right side
115,207.84x = 10,826,178,366.60 - Step 5: Solve for x
x = 10,826,178,366.60/115,207.84 - Step 6: Final answer
x = 93,970.85
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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.