Finding the Fourth Proportional to 366,920.10, 550,477.35 and 130,238.10
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Solution
The fourth proportional to 366,920.10, 550,477.35 and 130,238.10 is: 195,391.65
Step by Step Solution
- Step 1: Write the proportion equation
366,920.10 : 550,477.35 = 130,238.10 : x - Step 2: Convert to fraction form
366,920.10/550,477.35 = 130,238.10/x - Step 3: Cross multiply
366,920.10x = 550,477.35 × 130,238.10 - Step 4: Simplify right side
366,920.10x = 71,693,124,157.04 - Step 5: Solve for x
x = 71,693,124,157.04/366,920.10 - Step 6: Final answer
x = 195,391.65
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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.