Finding the Fourth Proportional to 485,161.52, 727,708.14 and 181,497.74
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Solution
The fourth proportional to 485,161.52, 727,708.14 and 181,497.74 is: 272,233.84
Step by Step Solution
- Step 1: Write the proportion equation
485,161.52 : 727,708.14 = 181,497.74 : x - Step 2: Convert to fraction form
485,161.52/727,708.14 = 181,497.74/x - Step 3: Cross multiply
485,161.52x = 727,708.14 × 181,497.74 - Step 4: Simplify right side
485,161.52x = 132,077,382,789.60 - Step 5: Solve for x
x = 132,077,382,789.60/485,161.52 - Step 6: Final answer
x = 272,233.84
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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.