Finding the Fourth Proportional to 518,776.44, 778,514.70 and 203,193.96
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Solution
The fourth proportional to 518,776.44, 778,514.70 and 203,193.96 is: 304,928.04
Step by Step Solution
- Step 1: Write the proportion equation
518,776.44 : 778,514.70 = 203,193.96 : x - Step 2: Convert to fraction form
518,776.44/778,514.70 = 203,193.96/x - Step 3: Cross multiply
518,776.44x = 778,514.70 × 203,193.96 - Step 4: Simplify right side
518,776.44x = 158,189,484,811.21 - Step 5: Solve for x
x = 158,189,484,811.21/518,776.44 - Step 6: Final answer
x = 304,928.04
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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.