Finding the Fourth Proportional to 181,931.26, 251,058.81 and 101,354.62
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Solution
The fourth proportional to 181,931.26, 251,058.81 and 101,354.62 is: 139,865.85
Step by Step Solution
- Step 1: Write the proportion equation
181,931.26 : 251,058.81 = 101,354.62 : x - Step 2: Convert to fraction form
181,931.26/251,058.81 = 101,354.62/x - Step 3: Cross multiply
181,931.26x = 251,058.81 × 101,354.62 - Step 4: Simplify right side
181,931.26x = 25,445,970,285.20 - Step 5: Solve for x
x = 25,445,970,285.20/181,931.26 - Step 6: Final answer
x = 139,865.85
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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.