Finding the Fourth Proportional to 332,286.70, 498,430.05 and 155,139.70
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Solution
The fourth proportional to 332,286.70, 498,430.05 and 155,139.70 is: 232,709.55
Step by Step Solution
- Step 1: Write the proportion equation
332,286.70 : 498,430.05 = 155,139.70 : x - Step 2: Convert to fraction form
332,286.70/498,430.05 = 155,139.70/x - Step 3: Cross multiply
332,286.70x = 498,430.05 × 155,139.70 - Step 4: Simplify right side
332,286.70x = 77,326,288,427.99 - Step 5: Solve for x
x = 77,326,288,427.99/332,286.70 - Step 6: Final answer
x = 232,709.55
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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.