Finding the Fourth Proportional to 313,454.99, 432,573.03 and 177,485.35
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Solution
The fourth proportional to 313,454.99, 432,573.03 and 177,485.35 is: 244,932.70
Step by Step Solution
- Step 1: Write the proportion equation
313,454.99 : 432,573.03 = 177,485.35 : x - Step 2: Convert to fraction form
313,454.99/432,573.03 = 177,485.35/x - Step 3: Cross multiply
313,454.99x = 432,573.03 × 177,485.35 - Step 4: Simplify right side
313,454.99x = 76,775,375,630.11 - Step 5: Solve for x
x = 76,775,375,630.11/313,454.99 - Step 6: Final answer
x = 244,932.70
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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.