Finding the Fourth Proportional to 542,580.08, 813,972.16 and 218,392.96
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Solution
The fourth proportional to 542,580.08, 813,972.16 and 218,392.96 is: 327,630.51
Step by Step Solution
- Step 1: Write the proportion equation
542,580.08 : 813,972.16 = 218,392.96 : x - Step 2: Convert to fraction form
542,580.08/813,972.16 = 218,392.96/x - Step 3: Cross multiply
542,580.08x = 813,972.16 × 218,392.96 - Step 4: Simplify right side
542,580.08x = 177,765,789,379.99 - Step 5: Solve for x
x = 177,765,789,379.99/542,580.08 - Step 6: Final answer
x = 327,630.51
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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.