Finding the Fourth Proportional to 399,772.24, 551,684.79 and 227,690.19
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Solution
The fourth proportional to 399,772.24, 551,684.79 and 227,690.19 is: 314,211.95
Step by Step Solution
- Step 1: Write the proportion equation
399,772.24 : 551,684.79 = 227,690.19 : x - Step 2: Convert to fraction form
399,772.24/551,684.79 = 227,690.19/x - Step 3: Cross multiply
399,772.24x = 551,684.79 × 227,690.19 - Step 4: Simplify right side
399,772.24x = 125,613,214,655.21 - Step 5: Solve for x
x = 125,613,214,655.21/399,772.24 - Step 6: Final answer
x = 314,211.95
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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.