Finding the Fourth Proportional to 226,108.26, 312,058.98 and 130,615.74
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Solution
The fourth proportional to 226,108.26, 312,058.98 and 130,615.74 is: 180,266.81
Step by Step Solution
- Step 1: Write the proportion equation
226,108.26 : 312,058.98 = 130,615.74 : x - Step 2: Convert to fraction form
226,108.26/312,058.98 = 130,615.74/x - Step 3: Cross multiply
226,108.26x = 312,058.98 × 130,615.74 - Step 4: Simplify right side
226,108.26x = 40,759,814,596.35 - Step 5: Solve for x
x = 40,759,814,596.35/226,108.26 - Step 6: Final answer
x = 180,266.81
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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.