Finding the Fourth Proportional to 356,729.26, 535,149.18 and 120,053.50
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Solution
The fourth proportional to 356,729.26, 535,149.18 and 120,053.50 is: 180,098.86
Step by Step Solution
- Step 1: Write the proportion equation
356,729.26 : 535,149.18 = 120,053.50 : x - Step 2: Convert to fraction form
356,729.26/535,149.18 = 120,053.50/x - Step 3: Cross multiply
356,729.26x = 535,149.18 × 120,053.50 - Step 4: Simplify right side
356,729.26x = 64,246,532,081.13 - Step 5: Solve for x
x = 64,246,532,081.13/356,729.26 - Step 6: Final answer
x = 180,098.86
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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.