Finding the Fourth Proportional to 342,508.59, 472,644.99 and 189,543.96
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Solution
The fourth proportional to 342,508.59, 472,644.99 and 189,543.96 is: 261,561.33
Step by Step Solution
- Step 1: Write the proportion equation
342,508.59 : 472,644.99 = 189,543.96 : x - Step 2: Convert to fraction form
342,508.59/472,644.99 = 189,543.96/x - Step 3: Cross multiply
342,508.59x = 472,644.99 × 189,543.96 - Step 4: Simplify right side
342,508.59x = 89,587,003,078.76 - Step 5: Solve for x
x = 89,587,003,078.76/342,508.59 - Step 6: Final answer
x = 261,561.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.