Finding the Fourth Proportional to 341,318.05, 512,291.53 and 172,957.65
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Solution
The fourth proportional to 341,318.05, 512,291.53 and 172,957.65 is: 259,595.82
Step by Step Solution
- Step 1: Write the proportion equation
341,318.05 : 512,291.53 = 172,957.65 : x - Step 2: Convert to fraction form
341,318.05/512,291.53 = 172,957.65/x - Step 3: Cross multiply
341,318.05x = 512,291.53 × 172,957.65 - Step 4: Simplify right side
341,318.05x = 88,604,739,143.70 - Step 5: Solve for x
x = 88,604,739,143.70/341,318.05 - Step 6: Final answer
x = 259,595.82
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1.5x scale
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.