Finding the Fourth Proportional to 634,514.69, 951,721.56 and 255,167.99
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Solution
The fourth proportional to 634,514.69, 951,721.56 and 255,167.99 is: 382,731.68
Step by Step Solution
- Step 1: Write the proportion equation
634,514.69 : 951,721.56 = 255,167.99 : x - Step 2: Convert to fraction form
634,514.69/951,721.56 = 255,167.99/x - Step 3: Cross multiply
634,514.69x = 951,721.56 × 255,167.99 - Step 4: Simplify right side
634,514.69x = 242,848,872,746.26 - Step 5: Solve for x
x = 242,848,872,746.26/634,514.69 - Step 6: Final answer
x = 382,731.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.