Finding the Fourth Proportional to 317,192.13, 437,723.12 and 181,267.65
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Solution
The fourth proportional to 317,192.13, 437,723.12 and 181,267.65 is: 250,148.20
Step by Step Solution
- Step 1: Write the proportion equation
317,192.13 : 437,723.12 = 181,267.65 : x - Step 2: Convert to fraction form
317,192.13/437,723.12 = 181,267.65/x - Step 3: Cross multiply
317,192.13x = 437,723.12 × 181,267.65 - Step 4: Simplify right side
317,192.13x = 79,345,041,766.24 - Step 5: Solve for x
x = 79,345,041,766.24/317,192.13 - Step 6: Final answer
x = 250,148.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.