Finding the Fourth Proportional to 479,214.90, 718,822.35 and 146,747.70
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Solution
The fourth proportional to 479,214.90, 718,822.35 and 146,747.70 is: 220,121.55
Step by Step Solution
- Step 1: Write the proportion equation
479,214.90 : 718,822.35 = 146,747.70 : x - Step 2: Convert to fraction form
479,214.90/718,822.35 = 146,747.70/x - Step 3: Cross multiply
479,214.90x = 718,822.35 × 146,747.70 - Step 4: Simplify right side
479,214.90x = 105,485,526,571.10 - Step 5: Solve for x
x = 105,485,526,571.10/479,214.90 - Step 6: Final answer
x = 220,121.55
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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.