Finding the Fourth Proportional to 381,477.42, 572,225.94 and 115,246.62
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Solution
The fourth proportional to 381,477.42, 572,225.94 and 115,246.62 is: 172,872.89
Step by Step Solution
- Step 1: Write the proportion equation
381,477.42 : 572,225.94 = 115,246.62 : x - Step 2: Convert to fraction form
381,477.42/572,225.94 = 115,246.62/x - Step 3: Cross multiply
381,477.42x = 572,225.94 × 115,246.62 - Step 4: Simplify right side
381,477.42x = 65,947,105,461.32 - Step 5: Solve for x
x = 65,947,105,461.32/381,477.42 - Step 6: Final answer
x = 172,872.89
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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.