Finding the Fourth Proportional to 516,694.93, 774,624.16 and 161,526.13
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Solution
The fourth proportional to 516,694.93, 774,624.16 and 161,526.13 is: 242,158.45
Step by Step Solution
- Step 1: Write the proportion equation
516,694.93 : 774,624.16 = 161,526.13 : x - Step 2: Convert to fraction form
516,694.93/774,624.16 = 161,526.13/x - Step 3: Cross multiply
516,694.93x = 774,624.16 × 161,526.13 - Step 4: Simplify right side
516,694.93x = 125,122,042,769.30 - Step 5: Solve for x
x = 125,122,042,769.30/516,694.93 - Step 6: Final answer
x = 242,158.45
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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.