Finding the Fourth Proportional to 368,574.63, 508,789.92 and 247,785.97
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Solution
The fourth proportional to 368,574.63, 508,789.92 and 247,785.97 is: 342,050.14
Step by Step Solution
- Step 1: Write the proportion equation
368,574.63 : 508,789.92 = 247,785.97 : x - Step 2: Convert to fraction form
368,574.63/508,789.92 = 247,785.97/x - Step 3: Cross multiply
368,574.63x = 508,789.92 × 247,785.97 - Step 4: Simplify right side
368,574.63x = 126,071,003,853.42 - Step 5: Solve for x
x = 126,071,003,853.42/368,574.63 - Step 6: Final answer
x = 342,050.14
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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.