Finding the Fourth Proportional to 282,637.18, 389,649.58 and 225,470.53
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Solution
The fourth proportional to 282,637.18, 389,649.58 and 225,470.53 is: 310,838.43
Step by Step Solution
- Step 1: Write the proportion equation
282,637.18 : 389,649.58 = 225,470.53 : x - Step 2: Convert to fraction form
282,637.18/389,649.58 = 225,470.53/x - Step 3: Cross multiply
282,637.18x = 389,649.58 × 225,470.53 - Step 4: Simplify right side
282,637.18x = 87,854,497,316.88 - Step 5: Solve for x
x = 87,854,497,316.88/282,637.18 - Step 6: Final answer
x = 310,838.43
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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.