Finding the Fourth Proportional to 260,034.24, 390,051.36 and 91,514.88
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Solution
The fourth proportional to 260,034.24, 390,051.36 and 91,514.88 is: 137,272.32
Step by Step Solution
- Step 1: Write the proportion equation
260,034.24 : 390,051.36 = 91,514.88 : x - Step 2: Convert to fraction form
260,034.24/390,051.36 = 91,514.88/x - Step 3: Cross multiply
260,034.24x = 390,051.36 × 91,514.88 - Step 4: Simplify right side
260,034.24x = 35,695,503,404.24 - Step 5: Solve for x
x = 35,695,503,404.24/260,034.24 - Step 6: Final answer
x = 137,272.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.