Finding the Fourth Proportional to 318,990.08, 440,207.66 and 175,750.12
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Solution
The fourth proportional to 318,990.08, 440,207.66 and 175,750.12 is: 242,535.91
Step by Step Solution
- Step 1: Write the proportion equation
318,990.08 : 440,207.66 = 175,750.12 : x - Step 2: Convert to fraction form
318,990.08/440,207.66 = 175,750.12/x - Step 3: Cross multiply
318,990.08x = 440,207.66 × 175,750.12 - Step 4: Simplify right side
318,990.08x = 77,366,550,059.55 - Step 5: Solve for x
x = 77,366,550,059.55/318,990.08 - Step 6: Final answer
x = 242,535.91
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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.