Finding the Fourth Proportional to 247,393.35, 341,434.97 and 138,539.13
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Solution
The fourth proportional to 247,393.35, 341,434.97 and 138,539.13 is: 191,202.00
Step by Step Solution
- Step 1: Write the proportion equation
247,393.35 : 341,434.97 = 138,539.13 : x - Step 2: Convert to fraction form
247,393.35/341,434.97 = 138,539.13/x - Step 3: Cross multiply
247,393.35x = 341,434.97 × 138,539.13 - Step 4: Simplify right side
247,393.35x = 47,302,103,695.38 - Step 5: Solve for x
x = 47,302,103,695.38/247,393.35 - Step 6: Final answer
x = 191,202.00
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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.