Finding the Fourth Proportional to 313,445.70, 432,565.11 and 177,477.48
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Solution
The fourth proportional to 313,445.70, 432,565.11 and 177,477.48 is: 244,924.61
Step by Step Solution
- Step 1: Write the proportion equation
313,445.70 : 432,565.11 = 177,477.48 : x - Step 2: Convert to fraction form
313,445.70/432,565.11 = 177,477.48/x - Step 3: Cross multiply
313,445.70x = 432,565.11 × 177,477.48 - Step 4: Simplify right side
313,445.70x = 76,770,565,658.72 - Step 5: Solve for x
x = 76,770,565,658.72/313,445.70 - Step 6: Final answer
x = 244,924.61
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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.