Finding the Fourth Proportional to 167,374.08, 230,981.76 and 91,929.60
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Solution
The fourth proportional to 167,374.08, 230,981.76 and 91,929.60 is: 126,865.89
Step by Step Solution
- Step 1: Write the proportion equation
167,374.08 : 230,981.76 = 91,929.60 : x - Step 2: Convert to fraction form
167,374.08/230,981.76 = 91,929.60/x - Step 3: Cross multiply
167,374.08x = 230,981.76 × 91,929.60 - Step 4: Simplify right side
167,374.08x = 21,234,060,804.10 - Step 5: Solve for x
x = 21,234,060,804.10/167,374.08 - Step 6: Final answer
x = 126,865.89
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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.