Finding the Fourth Proportional to 211,607.76, 317,494.20 and 93,195.84
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Solution
The fourth proportional to 211,607.76, 317,494.20 and 93,195.84 is: 139,830.12
Step by Step Solution
- Step 1: Write the proportion equation
211,607.76 : 317,494.20 = 93,195.84 : x - Step 2: Convert to fraction form
211,607.76/317,494.20 = 93,195.84/x - Step 3: Cross multiply
211,607.76x = 317,494.20 × 93,195.84 - Step 4: Simplify right side
211,607.76x = 29,589,138,664.13 - Step 5: Solve for x
x = 29,589,138,664.13/211,607.76 - Step 6: Final answer
x = 139,830.12
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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.