Finding the Fourth Proportional to 368,434.80, 508,403.79 and 207,286.38
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Solution
The fourth proportional to 368,434.80, 508,403.79 and 207,286.38 is: 286,034.82
Step by Step Solution
- Step 1: Write the proportion equation
368,434.80 : 508,403.79 = 207,286.38 : x - Step 2: Convert to fraction form
368,434.80/508,403.79 = 207,286.38/x - Step 3: Cross multiply
368,434.80x = 508,403.79 × 207,286.38 - Step 4: Simplify right side
368,434.80x = 105,385,181,207.38 - Step 5: Solve for x
x = 105,385,181,207.38/368,434.80 - Step 6: Final answer
x = 286,034.82
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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.