Finding the Fourth Proportional to 239,079.84, 358,153.12 and 186,241.92
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Solution
The fourth proportional to 239,079.84, 358,153.12 and 186,241.92 is: 278,999.37
Step by Step Solution
- Step 1: Write the proportion equation
239,079.84 : 358,153.12 = 186,241.92 : x - Step 2: Convert to fraction form
239,079.84/358,153.12 = 186,241.92/x - Step 3: Cross multiply
239,079.84x = 358,153.12 × 186,241.92 - Step 4: Simplify right side
239,079.84x = 66,703,124,722.79 - Step 5: Solve for x
x = 66,703,124,722.79/239,079.84 - Step 6: Final answer
x = 278,999.37
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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.