Finding the Fourth Proportional to 430,512.53, 645,350.12 and 205,814.75
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Solution
The fourth proportional to 430,512.53, 645,350.12 and 205,814.75 is: 308,521.97
Step by Step Solution
- Step 1: Write the proportion equation
430,512.53 : 645,350.12 = 205,814.75 : x - Step 2: Convert to fraction form
430,512.53/645,350.12 = 205,814.75/x - Step 3: Cross multiply
430,512.53x = 645,350.12 × 205,814.75 - Step 4: Simplify right side
430,512.53x = 132,822,572,581.20 - Step 5: Solve for x
x = 132,822,572,581.20/430,512.53 - Step 6: Final answer
x = 308,521.97
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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.