Finding the Fourth Proportional to 103,859.80, 155,789.61 and 24,973.99
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Solution
The fourth proportional to 103,859.80, 155,789.61 and 24,973.99 is: 37,460.96
Step by Step Solution
- Step 1: Write the proportion equation
103,859.80 : 155,789.61 = 24,973.99 : x - Step 2: Convert to fraction form
103,859.80/155,789.61 = 24,973.99/x - Step 3: Cross multiply
103,859.80x = 155,789.61 × 24,973.99 - Step 4: Simplify right side
103,859.80x = 3,890,688,162.24 - Step 5: Solve for x
x = 3,890,688,162.24/103,859.80 - Step 6: Final answer
x = 37,460.96
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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.