Finding the Fourth Proportional to 516,094.88, 774,142.40 and 161,139.31
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Solution
The fourth proportional to 516,094.88, 774,142.40 and 161,139.31 is: 241,708.99
Step by Step Solution
- Step 1: Write the proportion equation
516,094.88 : 774,142.40 = 161,139.31 : x - Step 2: Convert to fraction form
516,094.88/774,142.40 = 161,139.31/x - Step 3: Cross multiply
516,094.88x = 774,142.40 × 161,139.31 - Step 4: Simplify right side
516,094.88x = 124,744,772,177.74 - Step 5: Solve for x
x = 124,744,772,177.74/516,094.88 - Step 6: Final answer
x = 241,708.99
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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.