Finding the Fourth Proportional to 386,854.08, 534,396.84 and 367,936.92
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Solution
The fourth proportional to 386,854.08, 534,396.84 and 367,936.92 is: 508,264.84
Step by Step Solution
- Step 1: Write the proportion equation
386,854.08 : 534,396.84 = 367,936.92 : x - Step 2: Convert to fraction form
386,854.08/534,396.84 = 367,936.92/x - Step 3: Cross multiply
386,854.08x = 534,396.84 × 367,936.92 - Step 4: Simplify right side
386,854.08x = 196,624,327,367.33 - Step 5: Solve for x
x = 196,624,327,367.33/386,854.08 - Step 6: Final answer
x = 508,264.84
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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.