Finding the Fourth Proportional to 291,191.05, 436,891.70 and 101,679.36
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Solution
The fourth proportional to 291,191.05, 436,891.70 and 101,679.36 is: 152,555.75
Step by Step Solution
- Step 1: Write the proportion equation
291,191.05 : 436,891.70 = 101,679.36 : x - Step 2: Convert to fraction form
291,191.05/436,891.70 = 101,679.36/x - Step 3: Cross multiply
291,191.05x = 436,891.70 × 101,679.36 - Step 4: Simplify right side
291,191.05x = 44,422,868,445.31 - Step 5: Solve for x
x = 44,422,868,445.31/291,191.05 - Step 6: Final answer
x = 152,555.75
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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.