Finding the Fourth Proportional to 211,124.68, 291,352.98 and 114,329.80
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Solution
The fourth proportional to 211,124.68, 291,352.98 and 114,329.80 is: 157,775.62
Step by Step Solution
- Step 1: Write the proportion equation
211,124.68 : 291,352.98 = 114,329.80 : x - Step 2: Convert to fraction form
211,124.68/291,352.98 = 114,329.80/x - Step 3: Cross multiply
211,124.68x = 291,352.98 × 114,329.80 - Step 4: Simplify right side
211,124.68x = 33,310,327,932.80 - Step 5: Solve for x
x = 33,310,327,932.80/211,124.68 - Step 6: Final answer
x = 157,775.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.