Finding the Fourth Proportional to 612,113.80, 918,170.70 and 162,833.80
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Solution
The fourth proportional to 612,113.80, 918,170.70 and 162,833.80 is: 244,250.70
Step by Step Solution
- Step 1: Write the proportion equation
612,113.80 : 918,170.70 = 162,833.80 : x - Step 2: Convert to fraction form
612,113.80/918,170.70 = 162,833.80/x - Step 3: Cross multiply
612,113.80x = 918,170.70 × 162,833.80 - Step 4: Simplify right side
612,113.80x = 149,509,224,129.66 - Step 5: Solve for x
x = 149,509,224,129.66/612,113.80 - Step 6: Final answer
x = 244,250.70
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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.