Finding the Fourth Proportional to 448,728.03, 672,714.59 and 208,719.99
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Solution
The fourth proportional to 448,728.03, 672,714.59 and 208,719.99 is: 312,904.41
Step by Step Solution
- Step 1: Write the proportion equation
448,728.03 : 672,714.59 = 208,719.99 : x - Step 2: Convert to fraction form
448,728.03/672,714.59 = 208,719.99/x - Step 3: Cross multiply
448,728.03x = 672,714.59 × 208,719.99 - Step 4: Simplify right side
448,728.03x = 140,408,981,454.05 - Step 5: Solve for x
x = 140,408,981,454.05/448,728.03 - Step 6: Final answer
x = 312,904.41
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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.