Finding the Fourth Proportional to 343,235.20, 516,235.20 and 307,292.80
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Solution
The fourth proportional to 343,235.20, 516,235.20 and 307,292.80 is: 462,176.84
Step by Step Solution
- Step 1: Write the proportion equation
343,235.20 : 516,235.20 = 307,292.80 : x - Step 2: Convert to fraction form
343,235.20/516,235.20 = 307,292.80/x - Step 3: Cross multiply
343,235.20x = 516,235.20 × 307,292.80 - Step 4: Simplify right side
343,235.20x = 158,635,360,066.56 - Step 5: Solve for x
x = 158,635,360,066.56/343,235.20 - Step 6: Final answer
x = 462,176.84
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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.