Finding the Fourth Proportional to 399,292.03, 551,035.05 and 227,234.68
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Solution
The fourth proportional to 399,292.03, 551,035.05 and 227,234.68 is: 313,590.72
Step by Step Solution
- Step 1: Write the proportion equation
399,292.03 : 551,035.05 = 227,234.68 : x - Step 2: Convert to fraction form
399,292.03/551,035.05 = 227,234.68/x - Step 3: Cross multiply
399,292.03x = 551,035.05 × 227,234.68 - Step 4: Simplify right side
399,292.03x = 125,214,273,255.53 - Step 5: Solve for x
x = 125,214,273,255.53/399,292.03 - Step 6: Final answer
x = 313,590.72
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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.