Finding the Fourth Proportional to 824,212.18, 1,236,495.10 and 255,581.06
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Solution
The fourth proportional to 824,212.18, 1,236,495.10 and 255,581.06 is: 383,426.42
Step by Step Solution
- Step 1: Write the proportion equation
824,212.18 : 1,236,495.10 = 255,581.06 : x - Step 2: Convert to fraction form
824,212.18/1,236,495.10 = 255,581.06/x - Step 3: Cross multiply
824,212.18x = 1,236,495.10 × 255,581.06 - Step 4: Simplify right side
824,212.18x = 316,024,728,342.81 - Step 5: Solve for x
x = 316,024,728,342.81/824,212.18 - Step 6: Final answer
x = 383,426.42
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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.