Finding the Fourth Proportional to 370,220.69, 555,351.81 and 103,960.44
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Solution
The fourth proportional to 370,220.69, 555,351.81 and 103,960.44 is: 155,946.50
Step by Step Solution
- Step 1: Write the proportion equation
370,220.69 : 555,351.81 = 103,960.44 : x - Step 2: Convert to fraction form
370,220.69/555,351.81 = 103,960.44/x - Step 3: Cross multiply
370,220.69x = 555,351.81 × 103,960.44 - Step 4: Simplify right side
370,220.69x = 57,734,620,410.04 - Step 5: Solve for x
x = 57,734,620,410.04/370,220.69 - Step 6: Final answer
x = 155,946.50
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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.