Finding the Fourth Proportional to 150,387.80, 207,534.50 and 82,404.68
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Solution
The fourth proportional to 150,387.80, 207,534.50 and 82,404.68 is: 113,718.09
Step by Step Solution
- Step 1: Write the proportion equation
150,387.80 : 207,534.50 = 82,404.68 : x - Step 2: Convert to fraction form
150,387.80/207,534.50 = 82,404.68/x - Step 3: Cross multiply
150,387.80x = 207,534.50 × 82,404.68 - Step 4: Simplify right side
150,387.80x = 17,101,814,061.46 - Step 5: Solve for x
x = 17,101,814,061.46/150,387.80 - Step 6: Final answer
x = 113,718.09
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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.