Finding the Fourth Proportional to 518,234.84, 777,766.96 and 268,988.12
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Solution
The fourth proportional to 518,234.84, 777,766.96 and 268,988.12 is: 403,697.43
Step by Step Solution
- Step 1: Write the proportion equation
518,234.84 : 777,766.96 = 268,988.12 : x - Step 2: Convert to fraction form
518,234.84/777,766.96 = 268,988.12/x - Step 3: Cross multiply
518,234.84x = 777,766.96 × 268,988.12 - Step 4: Simplify right side
518,234.84x = 209,210,072,368.52 - Step 5: Solve for x
x = 209,210,072,368.52/518,234.84 - Step 6: Final answer
x = 403,697.43
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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.