Finding the Fourth Proportional to 318,981.18, 440,145.99 and 181,138.62
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Solution
The fourth proportional to 318,981.18, 440,145.99 and 181,138.62 is: 249,944.02
Step by Step Solution
- Step 1: Write the proportion equation
318,981.18 : 440,145.99 = 181,138.62 : x - Step 2: Convert to fraction form
318,981.18/440,145.99 = 181,138.62/x - Step 3: Cross multiply
318,981.18x = 440,145.99 × 181,138.62 - Step 4: Simplify right side
318,981.18x = 79,727,437,227.13 - Step 5: Solve for x
x = 79,727,437,227.13/318,981.18 - Step 6: Final answer
x = 249,944.02
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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.