Finding the Fourth Proportional to 211,481.84, 317,305.80 and 93,070.12
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Solution
The fourth proportional to 211,481.84, 317,305.80 and 93,070.12 is: 139,641.72
Step by Step Solution
- Step 1: Write the proportion equation
211,481.84 : 317,305.80 = 93,070.12 : x - Step 2: Convert to fraction form
211,481.84/317,305.80 = 93,070.12/x - Step 3: Cross multiply
211,481.84x = 317,305.80 × 93,070.12 - Step 4: Simplify right side
211,481.84x = 29,531,688,882.70 - Step 5: Solve for x
x = 29,531,688,882.70/211,481.84 - Step 6: Final answer
x = 139,641.72
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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.