Finding the Fourth Proportional to 344,392.32, 516,610.36 and 91,668.68
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Solution
The fourth proportional to 344,392.32, 516,610.36 and 91,668.68 is: 137,508.84
Step by Step Solution
- Step 1: Write the proportion equation
344,392.32 : 516,610.36 = 91,668.68 : x - Step 2: Convert to fraction form
344,392.32/516,610.36 = 91,668.68/x - Step 3: Cross multiply
344,392.32x = 516,610.36 × 91,668.68 - Step 4: Simplify right side
344,392.32x = 47,356,989,775.52 - Step 5: Solve for x
x = 47,356,989,775.52/344,392.32 - Step 6: Final answer
x = 137,508.84
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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.