Finding the Fourth Proportional to 318,775.84, 478,108.26 and 119,097.88
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Solution
The fourth proportional to 318,775.84, 478,108.26 and 119,097.88 is: 178,626.08
Step by Step Solution
- Step 1: Write the proportion equation
318,775.84 : 478,108.26 = 119,097.88 : x - Step 2: Convert to fraction form
318,775.84/478,108.26 = 119,097.88/x - Step 3: Cross multiply
318,775.84x = 478,108.26 × 119,097.88 - Step 4: Simplify right side
318,775.84x = 56,941,680,176.49 - Step 5: Solve for x
x = 56,941,680,176.49/318,775.84 - Step 6: Final answer
x = 178,626.08
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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.