Finding the Fourth Proportional to 399,473.17, 551,250.63 and 227,433.02
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Solution
The fourth proportional to 399,473.17, 551,250.63 and 227,433.02 is: 313,844.84
Step by Step Solution
- Step 1: Write the proportion equation
399,473.17 : 551,250.63 = 227,433.02 : x - Step 2: Convert to fraction form
399,473.17/551,250.63 = 227,433.02/x - Step 3: Cross multiply
399,473.17x = 551,250.63 × 227,433.02 - Step 4: Simplify right side
399,473.17x = 125,372,592,801.55 - Step 5: Solve for x
x = 125,372,592,801.55/399,473.17 - Step 6: Final answer
x = 313,844.84
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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.