Finding the Fourth Proportional to 168,792.18, 232,961.86 and 97,213.65
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Solution
The fourth proportional to 168,792.18, 232,961.86 and 97,213.65 is: 134,171.33
Step by Step Solution
- Step 1: Write the proportion equation
168,792.18 : 232,961.86 = 97,213.65 : x - Step 2: Convert to fraction form
168,792.18/232,961.86 = 97,213.65/x - Step 3: Cross multiply
168,792.18x = 232,961.86 × 97,213.65 - Step 4: Simplify right side
168,792.18x = 22,647,071,070.51 - Step 5: Solve for x
x = 22,647,071,070.51/168,792.18 - Step 6: Final answer
x = 134,171.33
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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.