Finding the Fourth Proportional to 324,398.50, 486,702.03 and 155,931.05
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Solution
The fourth proportional to 324,398.50, 486,702.03 and 155,931.05 is: 233,946.70
Step by Step Solution
- Step 1: Write the proportion equation
324,398.50 : 486,702.03 = 155,931.05 : x - Step 2: Convert to fraction form
324,398.50/486,702.03 = 155,931.05/x - Step 3: Cross multiply
324,398.50x = 486,702.03 × 155,931.05 - Step 4: Simplify right side
324,398.50x = 75,891,958,575.03 - Step 5: Solve for x
x = 75,891,958,575.03/324,398.50 - Step 6: Final answer
x = 233,946.70
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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.