Finding the Fourth Proportional to 160,001.87, 239,811.44 and 71,154.99
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Solution
The fourth proportional to 160,001.87, 239,811.44 and 71,154.99 is: 106,647.38
Step by Step Solution
- Step 1: Write the proportion equation
160,001.87 : 239,811.44 = 71,154.99 : x - Step 2: Convert to fraction form
160,001.87/239,811.44 = 71,154.99/x - Step 3: Cross multiply
160,001.87x = 239,811.44 × 71,154.99 - Step 4: Simplify right side
160,001.87x = 17,063,780,259.31 - Step 5: Solve for x
x = 17,063,780,259.31/160,001.87 - Step 6: Final answer
x = 106,647.38
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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.