Finding the Fourth Proportional to 269,289.07, 371,621.39 and 148,434.99
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Solution
The fourth proportional to 269,289.07, 371,621.39 and 148,434.99 is: 204,841.65
Step by Step Solution
- Step 1: Write the proportion equation
269,289.07 : 371,621.39 = 148,434.99 : x - Step 2: Convert to fraction form
269,289.07/371,621.39 = 148,434.99/x - Step 3: Cross multiply
269,289.07x = 371,621.39 × 148,434.99 - Step 4: Simplify right side
269,289.07x = 55,161,615,637.21 - Step 5: Solve for x
x = 55,161,615,637.21/269,289.07 - Step 6: Final answer
x = 204,841.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.