Finding the Fourth Proportional to 332,436.70, 498,655.05 and 155,289.70
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Solution
The fourth proportional to 332,436.70, 498,655.05 and 155,289.70 is: 232,934.55
Step by Step Solution
- Step 1: Write the proportion equation
332,436.70 : 498,655.05 = 155,289.70 : x - Step 2: Convert to fraction form
332,436.70/498,655.05 = 155,289.70/x - Step 3: Cross multiply
332,436.70x = 498,655.05 × 155,289.70 - Step 4: Simplify right side
332,436.70x = 77,435,993,117.99 - Step 5: Solve for x
x = 77,435,993,117.99/332,436.70 - Step 6: Final answer
x = 232,934.55
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1.5x scale
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.