Finding the Fourth Proportional to 612,959.13, 919,438.70 and 169,727.13
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Solution
The fourth proportional to 612,959.13, 919,438.70 and 169,727.13 is: 254,590.70
Step by Step Solution
- Step 1: Write the proportion equation
612,959.13 : 919,438.70 = 169,727.13 : x - Step 2: Convert to fraction form
612,959.13/919,438.70 = 169,727.13/x - Step 3: Cross multiply
612,959.13x = 919,438.70 × 169,727.13 - Step 4: Simplify right side
612,959.13x = 156,053,691,761.93 - Step 5: Solve for x
x = 156,053,691,761.93/612,959.13 - Step 6: Final answer
x = 254,590.70
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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.