Finding the Fourth Proportional to 144,722.99, 217,077.80 and 39,541.65
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Solution
The fourth proportional to 144,722.99, 217,077.80 and 39,541.65 is: 59,310.65
Step by Step Solution
- Step 1: Write the proportion equation
144,722.99 : 217,077.80 = 39,541.65 : x - Step 2: Convert to fraction form
144,722.99/217,077.80 = 39,541.65/x - Step 3: Cross multiply
144,722.99x = 217,077.80 × 39,541.65 - Step 4: Simplify right side
144,722.99x = 8,583,614,192.66 - Step 5: Solve for x
x = 8,583,614,192.66/144,722.99 - Step 6: Final answer
x = 59,310.65
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1.5x scale
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.