Finding the Fourth Proportional to 392,677.14, 541,880.24 and 239,970.81
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Solution
The fourth proportional to 392,677.14, 541,880.24 and 239,970.81 is: 331,151.03
Step by Step Solution
- Step 1: Write the proportion equation
392,677.14 : 541,880.24 = 239,970.81 : x - Step 2: Convert to fraction form
392,677.14/541,880.24 = 239,970.81/x - Step 3: Cross multiply
392,677.14x = 541,880.24 × 239,970.81 - Step 4: Simplify right side
392,677.14x = 130,035,438,915.94 - Step 5: Solve for x
x = 130,035,438,915.94/392,677.14 - Step 6: Final answer
x = 331,151.03
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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.