Finding the Fourth Proportional to 474,911.04, 655,378.24 and 257,121.92
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Solution
The fourth proportional to 474,911.04, 655,378.24 and 257,121.92 is: 354,828.79
Step by Step Solution
- Step 1: Write the proportion equation
474,911.04 : 655,378.24 = 257,121.92 : x - Step 2: Convert to fraction form
474,911.04/655,378.24 = 257,121.92/x - Step 3: Cross multiply
474,911.04x = 655,378.24 × 257,121.92 - Step 4: Simplify right side
474,911.04x = 168,512,111,395.02 - Step 5: Solve for x
x = 168,512,111,395.02/474,911.04 - Step 6: Final answer
x = 354,828.79
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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.