Finding the Fourth Proportional to 274,226.16, 378,402.84 and 153,354.96
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Solution
The fourth proportional to 274,226.16, 378,402.84 and 153,354.96 is: 211,613.48
Step by Step Solution
- Step 1: Write the proportion equation
274,226.16 : 378,402.84 = 153,354.96 : x - Step 2: Convert to fraction form
274,226.16/378,402.84 = 153,354.96/x - Step 3: Cross multiply
274,226.16x = 378,402.84 × 153,354.96 - Step 4: Simplify right side
274,226.16x = 58,029,952,392.09 - Step 5: Solve for x
x = 58,029,952,392.09/274,226.16 - Step 6: Final answer
x = 211,613.48
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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.