Finding the Fourth Proportional to 674,311.30, 1,011,337.35 and 201,012.10
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Solution
The fourth proportional to 674,311.30, 1,011,337.35 and 201,012.10 is: 301,479.52
Step by Step Solution
- Step 1: Write the proportion equation
674,311.30 : 1,011,337.35 = 201,012.10 : x - Step 2: Convert to fraction form
674,311.30/1,011,337.35 = 201,012.10/x - Step 3: Cross multiply
674,311.30x = 1,011,337.35 × 201,012.10 - Step 4: Simplify right side
674,311.30x = 203,291,044,531.94 - Step 5: Solve for x
x = 203,291,044,531.94/674,311.30 - Step 6: Final answer
x = 301,479.52
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1.5x scale
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.