Finding the Fourth Proportional to 557,497.68, 836,257.68 and 178,490.76
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Solution
The fourth proportional to 557,497.68, 836,257.68 and 178,490.76 is: 267,739.71
Step by Step Solution
- Step 1: Write the proportion equation
557,497.68 : 836,257.68 = 178,490.76 : x - Step 2: Convert to fraction form
557,497.68/836,257.68 = 178,490.76/x - Step 3: Cross multiply
557,497.68x = 836,257.68 × 178,490.76 - Step 4: Simplify right side
557,497.68x = 149,264,268,859.04 - Step 5: Solve for x
x = 149,264,268,859.04/557,497.68 - Step 6: Final answer
x = 267,739.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.