Finding the Fourth Proportional to 516,867.49, 775,239.67 and 137,816.65
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Solution
The fourth proportional to 516,867.49, 775,239.67 and 137,816.65 is: 206,708.56
Step by Step Solution
- Step 1: Write the proportion equation
516,867.49 : 775,239.67 = 137,816.65 : x - Step 2: Convert to fraction form
516,867.49/775,239.67 = 137,816.65/x - Step 3: Cross multiply
516,867.49x = 775,239.67 × 137,816.65 - Step 4: Simplify right side
516,867.49x = 106,840,934,266.51 - Step 5: Solve for x
x = 106,840,934,266.51/516,867.49 - Step 6: Final answer
x = 206,708.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.