Finding the Fourth Proportional to 238,972.64, 329,645.58 and 149,393.12
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Solution
The fourth proportional to 238,972.64, 329,645.58 and 149,393.12 is: 206,077.07
Step by Step Solution
- Step 1: Write the proportion equation
238,972.64 : 329,645.58 = 149,393.12 : x - Step 2: Convert to fraction form
238,972.64/329,645.58 = 149,393.12/x - Step 3: Cross multiply
238,972.64x = 329,645.58 × 149,393.12 - Step 4: Simplify right side
238,972.64x = 49,246,781,690.41 - Step 5: Solve for x
x = 49,246,781,690.41/238,972.64 - Step 6: Final answer
x = 206,077.07
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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.