Finding the Fourth Proportional to 238,455.99, 329,077.35 and 131,029.88
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Solution
The fourth proportional to 238,455.99, 329,077.35 and 131,029.88 is: 180,825.67
Step by Step Solution
- Step 1: Write the proportion equation
238,455.99 : 329,077.35 = 131,029.88 : x - Step 2: Convert to fraction form
238,455.99/329,077.35 = 131,029.88/x - Step 3: Cross multiply
238,455.99x = 329,077.35 × 131,029.88 - Step 4: Simplify right side
238,455.99x = 43,118,964,035.83 - Step 5: Solve for x
x = 43,118,964,035.83/238,455.99 - Step 6: Final answer
x = 180,825.67
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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.