Finding the Fourth Proportional to 351,153.04, 481,340.42 and 346,427.92
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Solution
The fourth proportional to 351,153.04, 481,340.42 and 346,427.92 is: 474,863.50
Step by Step Solution
- Step 1: Write the proportion equation
351,153.04 : 481,340.42 = 346,427.92 : x - Step 2: Convert to fraction form
351,153.04/481,340.42 = 346,427.92/x - Step 3: Cross multiply
351,153.04x = 481,340.42 × 346,427.92 - Step 4: Simplify right side
351,153.04x = 166,749,760,512.53 - Step 5: Solve for x
x = 166,749,760,512.53/351,153.04 - Step 6: Final answer
x = 474,863.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.