Finding the Fourth Proportional to 560,615.70, 840,923.55 and 205,511.70
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Solution
The fourth proportional to 560,615.70, 840,923.55 and 205,511.70 is: 308,267.55
Step by Step Solution
- Step 1: Write the proportion equation
560,615.70 : 840,923.55 = 205,511.70 : x - Step 2: Convert to fraction form
560,615.70/840,923.55 = 205,511.70/x - Step 3: Cross multiply
560,615.70x = 840,923.55 × 205,511.70 - Step 4: Simplify right side
560,615.70x = 172,819,628,330.54 - Step 5: Solve for x
x = 172,819,628,330.54/560,615.70 - Step 6: Final answer
x = 308,267.55
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Similar ratio
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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.