Finding the Fourth Proportional to 273,934.74, 378,067.50 and 157,645.80
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Solution
The fourth proportional to 273,934.74, 378,067.50 and 157,645.80 is: 217,572.82
Step by Step Solution
- Step 1: Write the proportion equation
273,934.74 : 378,067.50 = 157,645.80 : x - Step 2: Convert to fraction form
273,934.74/378,067.50 = 157,645.80/x - Step 3: Cross multiply
273,934.74x = 378,067.50 × 157,645.80 - Step 4: Simplify right side
273,934.74x = 59,600,753,491.50 - Step 5: Solve for x
x = 59,600,753,491.50/273,934.74 - Step 6: Final answer
x = 217,572.82
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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.