Finding the Fourth Proportional to 346,002.91, 477,680.19 and 225,083.68
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Solution
The fourth proportional to 346,002.91, 477,680.19 and 225,083.68 is: 310,743.09
Step by Step Solution
- Step 1: Write the proportion equation
346,002.91 : 477,680.19 = 225,083.68 : x - Step 2: Convert to fraction form
346,002.91/477,680.19 = 225,083.68/x - Step 3: Cross multiply
346,002.91x = 477,680.19 × 225,083.68 - Step 4: Simplify right side
346,002.91x = 107,518,012,990.04 - Step 5: Solve for x
x = 107,518,012,990.04/346,002.91 - Step 6: Final answer
x = 310,743.09
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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.