Finding the Fourth Proportional to 332,434.70, 498,652.05 and 155,287.70
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Solution
The fourth proportional to 332,434.70, 498,652.05 and 155,287.70 is: 232,931.55
Step by Step Solution
- Step 1: Write the proportion equation
332,434.70 : 498,652.05 = 155,287.70 : x - Step 2: Convert to fraction form
332,434.70/498,652.05 = 155,287.70/x - Step 3: Cross multiply
332,434.70x = 498,652.05 × 155,287.70 - Step 4: Simplify right side
332,434.70x = 77,434,529,944.79 - Step 5: Solve for x
x = 77,434,529,944.79/332,434.70 - Step 6: Final answer
x = 232,931.55
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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.