Finding the Fourth Proportional to 330,114.85, 455,560.36 and 194,154.53
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Solution
The fourth proportional to 330,114.85, 455,560.36 and 194,154.53 is: 267,934.34
Step by Step Solution
- Step 1: Write the proportion equation
330,114.85 : 455,560.36 = 194,154.53 : x - Step 2: Convert to fraction form
330,114.85/455,560.36 = 194,154.53/x - Step 3: Cross multiply
330,114.85x = 455,560.36 × 194,154.53 - Step 4: Simplify right side
330,114.85x = 88,449,104,819.24 - Step 5: Solve for x
x = 88,449,104,819.24/330,114.85 - Step 6: Final answer
x = 267,934.34
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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.