Finding the Fourth Proportional to 381,805.65, 572,562.68 and 115,477.65
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Solution
The fourth proportional to 381,805.65, 572,562.68 and 115,477.65 is: 173,172.38
Step by Step Solution
- Step 1: Write the proportion equation
381,805.65 : 572,562.68 = 115,477.65 : x - Step 2: Convert to fraction form
381,805.65/572,562.68 = 115,477.65/x - Step 3: Cross multiply
381,805.65x = 572,562.68 × 115,477.65 - Step 4: Simplify right side
381,805.65x = 66,118,192,186.71 - Step 5: Solve for x
x = 66,118,192,186.71/381,805.65 - Step 6: Final answer
x = 173,172.38
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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.