Finding the Fourth Proportional to 344,585.76, 516,778.80 and 134,176.80
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Solution
The fourth proportional to 344,585.76, 516,778.80 and 134,176.80 is: 201,226.32
Step by Step Solution
- Step 1: Write the proportion equation
344,585.76 : 516,778.80 = 134,176.80 : x - Step 2: Convert to fraction form
344,585.76/516,778.80 = 134,176.80/x - Step 3: Cross multiply
344,585.76x = 516,778.80 × 134,176.80 - Step 4: Simplify right side
344,585.76x = 69,339,725,691.84 - Step 5: Solve for x
x = 69,339,725,691.84/344,585.76 - Step 6: Final answer
x = 201,226.32
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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.