Finding the Fourth Proportional to 291,089.46, 436,609.17 and 177,207.71
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Solution
The fourth proportional to 291,089.46, 436,609.17 and 177,207.71 is: 265,796.33
Step by Step Solution
- Step 1: Write the proportion equation
291,089.46 : 436,609.17 = 177,207.71 : x - Step 2: Convert to fraction form
291,089.46/436,609.17 = 177,207.71/x - Step 3: Cross multiply
291,089.46x = 436,609.17 × 177,207.71 - Step 4: Simplify right side
291,089.46x = 77,370,509,524.05 - Step 5: Solve for x
x = 77,370,509,524.05/291,089.46 - Step 6: Final answer
x = 265,796.33
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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.