Finding the Fourth Proportional to 238,455.04, 329,067.88 and 131,031.99
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Solution
The fourth proportional to 238,455.04, 329,067.88 and 131,031.99 is: 180,824.10
Step by Step Solution
- Step 1: Write the proportion equation
238,455.04 : 329,067.88 = 131,031.99 : x - Step 2: Convert to fraction form
238,455.04/329,067.88 = 131,031.99/x - Step 3: Cross multiply
238,455.04x = 329,067.88 × 131,031.99 - Step 4: Simplify right side
238,455.04x = 43,118,419,161.48 - Step 5: Solve for x
x = 43,118,419,161.48/238,455.04 - Step 6: Final answer
x = 180,824.10
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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.