Finding the Fourth Proportional to 344,421.12, 516,617.28 and 119,832.48
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Solution
The fourth proportional to 344,421.12, 516,617.28 and 119,832.48 is: 179,743.71
Step by Step Solution
- Step 1: Write the proportion equation
344,421.12 : 516,617.28 = 119,832.48 : x - Step 2: Convert to fraction form
344,421.12/516,617.28 = 119,832.48/x - Step 3: Cross multiply
344,421.12x = 516,617.28 × 119,832.48 - Step 4: Simplify right side
344,421.12x = 61,907,529,873.25 - Step 5: Solve for x
x = 61,907,529,873.25/344,421.12 - Step 6: Final answer
x = 179,743.71
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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.