Finding the Fourth Proportional to 211,560.66, 316,854.99 and 177,851.70
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Solution
The fourth proportional to 211,560.66, 316,854.99 and 177,851.70 is: 266,368.99
Step by Step Solution
- Step 1: Write the proportion equation
211,560.66 : 316,854.99 = 177,851.70 : x - Step 2: Convert to fraction form
211,560.66/316,854.99 = 177,851.70/x - Step 3: Cross multiply
211,560.66x = 316,854.99 × 177,851.70 - Step 4: Simplify right side
211,560.66x = 56,353,198,624.98 - Step 5: Solve for x
x = 56,353,198,624.98/211,560.66 - Step 6: Final answer
x = 266,368.99
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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.