Finding the Fourth Proportional to 381,863.91, 572,795.85 and 97,555.08
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Solution
The fourth proportional to 381,863.91, 572,795.85 and 97,555.08 is: 146,332.62
Step by Step Solution
- Step 1: Write the proportion equation
381,863.91 : 572,795.85 = 97,555.08 : x - Step 2: Convert to fraction form
381,863.91/572,795.85 = 97,555.08/x - Step 3: Cross multiply
381,863.91x = 572,795.85 × 97,555.08 - Step 4: Simplify right side
381,863.91x = 55,879,147,484.23 - Step 5: Solve for x
x = 55,879,147,484.23/381,863.91 - Step 6: Final answer
x = 146,332.62
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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.