Finding the Fourth Proportional to 351,469.40, 527,204.10 and 335,139.80
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Solution
The fourth proportional to 351,469.40, 527,204.10 and 335,139.80 is: 502,709.70
Step by Step Solution
- Step 1: Write the proportion equation
351,469.40 : 527,204.10 = 335,139.80 : x - Step 2: Convert to fraction form
351,469.40/527,204.10 = 335,139.80/x - Step 3: Cross multiply
351,469.40x = 527,204.10 × 335,139.80 - Step 4: Simplify right side
351,469.40x = 176,687,076,633.18 - Step 5: Solve for x
x = 176,687,076,633.18/351,469.40 - Step 6: Final answer
x = 502,709.70
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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.