Finding the Fourth Proportional to 374,534.26, 516,857.28 and 240,631.54
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Solution
The fourth proportional to 374,534.26, 516,857.28 and 240,631.54 is: 332,071.53
Step by Step Solution
- Step 1: Write the proportion equation
374,534.26 : 516,857.28 = 240,631.54 : x - Step 2: Convert to fraction form
374,534.26/516,857.28 = 240,631.54/x - Step 3: Cross multiply
374,534.26x = 516,857.28 × 240,631.54 - Step 4: Simplify right side
374,534.26x = 124,372,163,246.61 - Step 5: Solve for x
x = 124,372,163,246.61/374,534.26 - Step 6: Final answer
x = 332,071.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.