Finding the Fourth Proportional to 358,579.12, 493,771.88 and 350,622.80
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Solution
The fourth proportional to 358,579.12, 493,771.88 and 350,622.80 is: 482,815.84
Step by Step Solution
- Step 1: Write the proportion equation
358,579.12 : 493,771.88 = 350,622.80 : x - Step 2: Convert to fraction form
358,579.12/493,771.88 = 350,622.80/x - Step 3: Cross multiply
358,579.12x = 493,771.88 × 350,622.80 - Step 4: Simplify right side
358,579.12x = 173,127,679,126.86 - Step 5: Solve for x
x = 173,127,679,126.86/358,579.12 - Step 6: Final answer
x = 482,815.84
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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.