Finding the Fourth Proportional to 368,574.41, 508,789.62 and 247,785.75
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Solution
The fourth proportional to 368,574.41, 508,789.62 and 247,785.75 is: 342,049.84
Step by Step Solution
- Step 1: Write the proportion equation
368,574.41 : 508,789.62 = 247,785.75 : x - Step 2: Convert to fraction form
368,574.41/508,789.62 = 247,785.75/x - Step 3: Cross multiply
368,574.41x = 508,789.62 × 247,785.75 - Step 4: Simplify right side
368,574.41x = 126,070,817,583.92 - Step 5: Solve for x
x = 126,070,817,583.92/368,574.41 - Step 6: Final answer
x = 342,049.84
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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.