Finding the Fourth Proportional to 392,283.88, 541,334.00 and 239,297.76
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Solution
The fourth proportional to 392,283.88, 541,334.00 and 239,297.76 is: 330,220.08
Step by Step Solution
- Step 1: Write the proportion equation
392,283.88 : 541,334.00 = 239,297.76 : x - Step 2: Convert to fraction form
392,283.88/541,334.00 = 239,297.76/x - Step 3: Cross multiply
392,283.88x = 541,334.00 × 239,297.76 - Step 4: Simplify right side
392,283.88x = 129,540,014,210.08 - Step 5: Solve for x
x = 129,540,014,210.08/392,283.88 - Step 6: Final answer
x = 330,220.08
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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.