Finding the Fourth Proportional to 239,248.06, 358,872.08 and 70,755.26
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Solution
The fourth proportional to 239,248.06, 358,872.08 and 70,755.26 is: 106,132.89
Step by Step Solution
- Step 1: Write the proportion equation
239,248.06 : 358,872.08 = 70,755.26 : x - Step 2: Convert to fraction form
239,248.06/358,872.08 = 70,755.26/x - Step 3: Cross multiply
239,248.06x = 358,872.08 × 70,755.26 - Step 4: Simplify right side
239,248.06x = 25,392,088,401.21 - Step 5: Solve for x
x = 25,392,088,401.21/239,248.06 - Step 6: Final answer
x = 106,132.89
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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.