Finding the Fourth Proportional to 514,405.98, 771,609.06 and 214,723.08
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Solution
The fourth proportional to 514,405.98, 771,609.06 and 214,723.08 is: 322,084.66
Step by Step Solution
- Step 1: Write the proportion equation
514,405.98 : 771,609.06 = 214,723.08 : x - Step 2: Convert to fraction form
514,405.98/771,609.06 = 214,723.08/x - Step 3: Cross multiply
514,405.98x = 771,609.06 × 214,723.08 - Step 4: Simplify right side
514,405.98x = 165,682,273,919.11 - Step 5: Solve for x
x = 165,682,273,919.11/514,405.98 - Step 6: Final answer
x = 322,084.66
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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.