Finding the Fourth Proportional to 293,987.26, 440,986.02 and 83,630.80
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Solution
The fourth proportional to 293,987.26, 440,986.02 and 83,630.80 is: 125,447.66
Step by Step Solution
- Step 1: Write the proportion equation
293,987.26 : 440,986.02 = 83,630.80 : x - Step 2: Convert to fraction form
293,987.26/440,986.02 = 83,630.80/x - Step 3: Cross multiply
293,987.26x = 440,986.02 × 83,630.80 - Step 4: Simplify right side
293,987.26x = 36,880,013,641.42 - Step 5: Solve for x
x = 36,880,013,641.42/293,987.26 - Step 6: Final answer
x = 125,447.66
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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.