Finding the Fourth Proportional to 399,259.84, 550,959.42 and 227,161.84
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Solution
The fourth proportional to 399,259.84, 550,959.42 and 227,161.84 is: 313,472.44
Step by Step Solution
- Step 1: Write the proportion equation
399,259.84 : 550,959.42 = 227,161.84 : x - Step 2: Convert to fraction form
399,259.84/550,959.42 = 227,161.84/x - Step 3: Cross multiply
399,259.84x = 550,959.42 × 227,161.84 - Step 4: Simplify right side
399,259.84x = 125,156,955,612.53 - Step 5: Solve for x
x = 125,156,955,612.53/399,259.84 - Step 6: Final answer
x = 313,472.44
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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.