Finding the Fourth Proportional to 399,979.05, 599,688.46 and 147,226.75
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Solution
The fourth proportional to 399,979.05, 599,688.46 and 147,226.75 is: 220,737.02
Step by Step Solution
- Step 1: Write the proportion equation
399,979.05 : 599,688.46 = 147,226.75 : x - Step 2: Convert to fraction form
399,979.05/599,688.46 = 147,226.75/x - Step 3: Cross multiply
399,979.05x = 599,688.46 × 147,226.75 - Step 4: Simplify right side
399,979.05x = 88,290,181,663.12 - Step 5: Solve for x
x = 88,290,181,663.12/399,979.05 - Step 6: Final answer
x = 220,737.02
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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.