Finding the Fourth Proportional to 344,278.22, 516,416.94 and 119,638.68
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Solution
The fourth proportional to 344,278.22, 516,416.94 and 119,638.68 is: 179,457.88
Step by Step Solution
- Step 1: Write the proportion equation
344,278.22 : 516,416.94 = 119,638.68 : x - Step 2: Convert to fraction form
344,278.22/516,416.94 = 119,638.68/x - Step 3: Cross multiply
344,278.22x = 516,416.94 × 119,638.68 - Step 4: Simplify right side
344,278.22x = 61,783,439,037.18 - Step 5: Solve for x
x = 61,783,439,037.18/344,278.22 - Step 6: Final answer
x = 179,457.88
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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.