Finding the Fourth Proportional to 239,838.84, 359,695.60 and 71,313.80
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Solution
The fourth proportional to 239,838.84, 359,695.60 and 71,313.80 is: 106,952.07
Step by Step Solution
- Step 1: Write the proportion equation
239,838.84 : 359,695.60 = 71,313.80 : x - Step 2: Convert to fraction form
239,838.84/359,695.60 = 71,313.80/x - Step 3: Cross multiply
239,838.84x = 359,695.60 × 71,313.80 - Step 4: Simplify right side
239,838.84x = 25,651,260,079.28 - Step 5: Solve for x
x = 25,651,260,079.28/239,838.84 - Step 6: Final answer
x = 106,952.07
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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.