Finding the Fourth Proportional to 253,094.91, 349,278.26 and 139,924.95
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Solution
The fourth proportional to 253,094.91, 349,278.26 and 139,924.95 is: 193,100.46
Step by Step Solution
- Step 1: Write the proportion equation
253,094.91 : 349,278.26 = 139,924.95 : x - Step 2: Convert to fraction form
253,094.91/349,278.26 = 139,924.95/x - Step 3: Cross multiply
253,094.91x = 349,278.26 × 139,924.95 - Step 4: Simplify right side
253,094.91x = 48,872,741,844.25 - Step 5: Solve for x
x = 48,872,741,844.25/253,094.91 - Step 6: Final answer
x = 193,100.46
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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.