Finding the Fourth Proportional to 239,718.12, 359,635.70 and 79,793.74
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Solution
The fourth proportional to 239,718.12, 359,635.70 and 79,793.74 is: 119,710.09
Step by Step Solution
- Step 1: Write the proportion equation
239,718.12 : 359,635.70 = 79,793.74 : x - Step 2: Convert to fraction form
239,718.12/359,635.70 = 79,793.74/x - Step 3: Cross multiply
239,718.12x = 359,635.70 × 79,793.74 - Step 4: Simplify right side
239,718.12x = 28,696,677,740.71 - Step 5: Solve for x
x = 28,696,677,740.71/239,718.12 - Step 6: Final answer
x = 119,710.09
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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.