Finding the Fourth Proportional to 239,820.08, 330,943.02 and 132,387.80
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Solution
The fourth proportional to 239,820.08, 330,943.02 and 132,387.80 is: 182,690.36
Step by Step Solution
- Step 1: Write the proportion equation
239,820.08 : 330,943.02 = 132,387.80 : x - Step 2: Convert to fraction form
239,820.08/330,943.02 = 132,387.80/x - Step 3: Cross multiply
239,820.08x = 330,943.02 × 132,387.80 - Step 4: Simplify right side
239,820.08x = 43,812,816,688.44 - Step 5: Solve for x
x = 43,812,816,688.44/239,820.08 - Step 6: Final answer
x = 182,690.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.