Finding the Fourth Proportional to 381,261.68, 526,132.92 and 236,028.80
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Solution
The fourth proportional to 381,261.68, 526,132.92 and 236,028.80 is: 325,714.67
Step by Step Solution
- Step 1: Write the proportion equation
381,261.68 : 526,132.92 = 236,028.80 : x - Step 2: Convert to fraction form
381,261.68/526,132.92 = 236,028.80/x - Step 3: Cross multiply
381,261.68x = 526,132.92 × 236,028.80 - Step 4: Simplify right side
381,261.68x = 124,182,521,748.10 - Step 5: Solve for x
x = 124,182,521,748.10/381,261.68 - Step 6: Final answer
x = 325,714.67
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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.