Finding the Fourth Proportional to 315,392.80, 473,218.80 and 115,808.80
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Solution
The fourth proportional to 315,392.80, 473,218.80 and 115,808.80 is: 173,760.79
Step by Step Solution
- Step 1: Write the proportion equation
315,392.80 : 473,218.80 = 115,808.80 : x - Step 2: Convert to fraction form
315,392.80/473,218.80 = 115,808.80/x - Step 3: Cross multiply
315,392.80x = 473,218.80 × 115,808.80 - Step 4: Simplify right side
315,392.80x = 54,802,901,365.44 - Step 5: Solve for x
x = 54,802,901,365.44/315,392.80 - Step 6: Final answer
x = 173,760.79
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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.