Finding the Fourth Proportional to 103,555.24, 155,307.26 and 44,384.20
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Solution
The fourth proportional to 103,555.24, 155,307.26 and 44,384.20 is: 66,565.33
Step by Step Solution
- Step 1: Write the proportion equation
103,555.24 : 155,307.26 = 44,384.20 : x - Step 2: Convert to fraction form
103,555.24/155,307.26 = 44,384.20/x - Step 3: Cross multiply
103,555.24x = 155,307.26 × 44,384.20 - Step 4: Simplify right side
103,555.24x = 6,893,188,489.29 - Step 5: Solve for x
x = 6,893,188,489.29/103,555.24 - Step 6: Final answer
x = 66,565.33
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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.