Finding the Fourth Proportional to 252,031.51, 347,803.29 and 138,854.26
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Solution
The fourth proportional to 252,031.51, 347,803.29 and 138,854.26 is: 191,618.77
Step by Step Solution
- Step 1: Write the proportion equation
252,031.51 : 347,803.29 = 138,854.26 : x - Step 2: Convert to fraction form
252,031.51/347,803.29 = 138,854.26/x - Step 3: Cross multiply
252,031.51x = 347,803.29 × 138,854.26 - Step 4: Simplify right side
252,031.51x = 48,293,968,458.52 - Step 5: Solve for x
x = 48,293,968,458.52/252,031.51 - Step 6: Final answer
x = 191,618.77
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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.