Finding the Fourth Proportional to 312,177.72, 430,824.72 and 176,234.70
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Solution
The fourth proportional to 312,177.72, 430,824.72 and 176,234.70 is: 243,214.88
Step by Step Solution
- Step 1: Write the proportion equation
312,177.72 : 430,824.72 = 176,234.70 : x - Step 2: Convert to fraction form
312,177.72/430,824.72 = 176,234.70/x - Step 3: Cross multiply
312,177.72x = 430,824.72 × 176,234.70 - Step 4: Simplify right side
312,177.72x = 75,926,265,281.78 - Step 5: Solve for x
x = 75,926,265,281.78/312,177.72 - Step 6: Final answer
x = 243,214.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.