Finding the Fourth Proportional to 239,894.84, 360,061.74 and 121,647.80
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Solution
The fourth proportional to 239,894.84, 360,061.74 and 121,647.80 is: 182,583.00
Step by Step Solution
- Step 1: Write the proportion equation
239,894.84 : 360,061.74 = 121,647.80 : x - Step 2: Convert to fraction form
239,894.84/360,061.74 = 121,647.80/x - Step 3: Cross multiply
239,894.84x = 360,061.74 × 121,647.80 - Step 4: Simplify right side
239,894.84x = 43,800,718,535.17 - Step 5: Solve for x
x = 43,800,718,535.17/239,894.84 - Step 6: Final answer
x = 182,583.00
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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.