Finding the Fourth Proportional to 344,785.32, 517,199.76 and 120,136.68
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Solution
The fourth proportional to 344,785.32, 517,199.76 and 120,136.68 is: 180,212.61
Step by Step Solution
- Step 1: Write the proportion equation
344,785.32 : 517,199.76 = 120,136.68 : x - Step 2: Convert to fraction form
344,785.32/517,199.76 = 120,136.68/x - Step 3: Cross multiply
344,785.32x = 517,199.76 × 120,136.68 - Step 4: Simplify right side
344,785.32x = 62,134,662,063.20 - Step 5: Solve for x
x = 62,134,662,063.20/344,785.32 - Step 6: Final answer
x = 180,212.61
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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.