Finding the Fourth Proportional to 457,242.20, 686,288.86 and 232,770.68
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Solution
The fourth proportional to 457,242.20, 686,288.86 and 232,770.68 is: 349,372.66
Step by Step Solution
- Step 1: Write the proportion equation
457,242.20 : 686,288.86 = 232,770.68 : x - Step 2: Convert to fraction form
457,242.20/686,288.86 = 232,770.68/x - Step 3: Cross multiply
457,242.20x = 686,288.86 × 232,770.68 - Step 4: Simplify right side
457,242.20x = 159,747,924,618.63 - Step 5: Solve for x
x = 159,747,924,618.63/457,242.20 - Step 6: Final answer
x = 349,372.66
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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.