Finding the Fourth Proportional to 278,395.30, 417,750.91 and 150,309.87
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Solution
The fourth proportional to 278,395.30, 417,750.91 and 150,309.87 is: 225,550.09
Step by Step Solution
- Step 1: Write the proportion equation
278,395.30 : 417,750.91 = 150,309.87 : x - Step 2: Convert to fraction form
278,395.30/417,750.91 = 150,309.87/x - Step 3: Cross multiply
278,395.30x = 417,750.91 × 150,309.87 - Step 4: Simplify right side
278,395.30x = 62,792,084,974.48 - Step 5: Solve for x
x = 62,792,084,974.48/278,395.30 - Step 6: Final answer
x = 225,550.09
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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.