Finding the Fourth Proportional to 434,528.20, 651,014.70 and 372,320.20
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Solution
The fourth proportional to 434,528.20, 651,014.70 and 372,320.20 is: 557,814.02
Step by Step Solution
- Step 1: Write the proportion equation
434,528.20 : 651,014.70 = 372,320.20 : x - Step 2: Convert to fraction form
434,528.20/651,014.70 = 372,320.20/x - Step 3: Cross multiply
434,528.20x = 651,014.70 × 372,320.20 - Step 4: Simplify right side
434,528.20x = 242,385,923,306.94 - Step 5: Solve for x
x = 242,385,923,306.94/434,528.20 - Step 6: Final answer
x = 557,814.02
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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.