Finding the Fourth Proportional to 345,663.12, 518,502.84 and 92,944.08
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Solution
The fourth proportional to 345,663.12, 518,502.84 and 92,944.08 is: 139,418.31
Step by Step Solution
- Step 1: Write the proportion equation
345,663.12 : 518,502.84 = 92,944.08 : x - Step 2: Convert to fraction form
345,663.12/518,502.84 = 92,944.08/x - Step 3: Cross multiply
345,663.12x = 518,502.84 × 92,944.08 - Step 4: Simplify right side
345,663.12x = 48,191,769,441.19 - Step 5: Solve for x
x = 48,191,769,441.19/345,663.12 - Step 6: Final answer
x = 139,418.31
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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.