Finding the Fourth Proportional to 381,806.65, 572,564.17 and 115,478.65
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Solution
The fourth proportional to 381,806.65, 572,564.17 and 115,478.65 is: 173,173.88
Step by Step Solution
- Step 1: Write the proportion equation
381,806.65 : 572,564.17 = 115,478.65 : x - Step 2: Convert to fraction form
381,806.65/572,564.17 = 115,478.65/x - Step 3: Cross multiply
381,806.65x = 572,564.17 × 115,478.65 - Step 4: Simplify right side
381,806.65x = 66,118,937,389.97 - Step 5: Solve for x
x = 66,118,937,389.97/381,806.65 - Step 6: Final answer
x = 173,173.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.