Finding the Fourth Proportional to 516,707.80, 775,209.93 and 217,034.26
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Solution
The fourth proportional to 516,707.80, 775,209.93 and 217,034.26 is: 325,613.65
Step by Step Solution
- Step 1: Write the proportion equation
516,707.80 : 775,209.93 = 217,034.26 : x - Step 2: Convert to fraction form
516,707.80/775,209.93 = 217,034.26/x - Step 3: Cross multiply
516,707.80x = 775,209.93 × 217,034.26 - Step 4: Simplify right side
516,707.80x = 168,247,113,502.20 - Step 5: Solve for x
x = 168,247,113,502.20/516,707.80 - Step 6: Final answer
x = 325,613.65
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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.