Finding the Fourth Proportional to 238,670.14, 329,366.84 and 136,704.91
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Solution
The fourth proportional to 238,670.14, 329,366.84 and 136,704.91 is: 188,653.95
Step by Step Solution
- Step 1: Write the proportion equation
238,670.14 : 329,366.84 = 136,704.91 : x - Step 2: Convert to fraction form
238,670.14/329,366.84 = 136,704.91/x - Step 3: Cross multiply
238,670.14x = 329,366.84 × 136,704.91 - Step 4: Simplify right side
238,670.14x = 45,026,064,219.18 - Step 5: Solve for x
x = 45,026,064,219.18/238,670.14 - Step 6: Final answer
x = 188,653.95
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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.