Finding the Fourth Proportional to 176,861.76, 243,990.36 and 119,482.62
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Solution
The fourth proportional to 176,861.76, 243,990.36 and 119,482.62 is: 164,832.73
Step by Step Solution
- Step 1: Write the proportion equation
176,861.76 : 243,990.36 = 119,482.62 : x - Step 2: Convert to fraction form
176,861.76/243,990.36 = 119,482.62/x - Step 3: Cross multiply
176,861.76x = 243,990.36 × 119,482.62 - Step 4: Simplify right side
176,861.76x = 29,152,607,467.54 - Step 5: Solve for x
x = 29,152,607,467.54/176,861.76 - Step 6: Final answer
x = 164,832.73
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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.