Finding the Fourth Proportional to 255,474.69, 352,555.16 and 148,106.96
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Solution
The fourth proportional to 255,474.69, 352,555.16 and 148,106.96 is: 204,387.66
Step by Step Solution
- Step 1: Write the proportion equation
255,474.69 : 352,555.16 = 148,106.96 : x - Step 2: Convert to fraction form
255,474.69/352,555.16 = 148,106.96/x - Step 3: Cross multiply
255,474.69x = 352,555.16 × 148,106.96 - Step 4: Simplify right side
255,474.69x = 52,215,872,979.91 - Step 5: Solve for x
x = 52,215,872,979.91/255,474.69 - Step 6: Final answer
x = 204,387.66
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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.