Finding the Fourth Proportional to 103,337.40, 155,006.10 and 44,239.80
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Solution
The fourth proportional to 103,337.40, 155,006.10 and 44,239.80 is: 66,359.70
Step by Step Solution
- Step 1: Write the proportion equation
103,337.40 : 155,006.10 = 44,239.80 : x - Step 2: Convert to fraction form
103,337.40/155,006.10 = 44,239.80/x - Step 3: Cross multiply
103,337.40x = 155,006.10 × 44,239.80 - Step 4: Simplify right side
103,337.40x = 6,857,438,862.78 - Step 5: Solve for x
x = 6,857,438,862.78/103,337.40 - Step 6: Final answer
x = 66,359.70
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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.