Finding the Fourth Proportional to 516,122.56, 774,183.84 and 161,166.99
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Solution
The fourth proportional to 516,122.56, 774,183.84 and 161,166.99 is: 241,750.49
Step by Step Solution
- Step 1: Write the proportion equation
516,122.56 : 774,183.84 = 161,166.99 : x - Step 2: Convert to fraction form
516,122.56/774,183.84 = 161,166.99/x - Step 3: Cross multiply
516,122.56x = 774,183.84 × 161,166.99 - Step 4: Simplify right side
516,122.56x = 124,772,878,393.61 - Step 5: Solve for x
x = 124,772,878,393.61/516,122.56 - Step 6: Final answer
x = 241,750.49
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Double scale
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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.