Finding the Fourth Proportional to 541,291.57, 746,908.42 and 311,763.49
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Solution
The fourth proportional to 541,291.57, 746,908.42 and 311,763.49 is: 430,191.02
Step by Step Solution
- Step 1: Write the proportion equation
541,291.57 : 746,908.42 = 311,763.49 : x - Step 2: Convert to fraction form
541,291.57/746,908.42 = 311,763.49/x - Step 3: Cross multiply
541,291.57x = 746,908.42 × 311,763.49 - Step 4: Simplify right side
541,291.57x = 232,858,771,215.64 - Step 5: Solve for x
x = 232,858,771,215.64/541,291.57 - Step 6: Final answer
x = 430,191.02
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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.