Finding the Fourth Proportional to 105,206.06, 157,847.97 and 38,689.67
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Solution
The fourth proportional to 105,206.06, 157,847.97 and 38,689.67 is: 58,048.80
Step by Step Solution
- Step 1: Write the proportion equation
105,206.06 : 157,847.97 = 38,689.67 : x - Step 2: Convert to fraction form
105,206.06/157,847.97 = 38,689.67/x - Step 3: Cross multiply
105,206.06x = 157,847.97 × 38,689.67 - Step 4: Simplify right side
105,206.06x = 6,107,085,080.23 - Step 5: Solve for x
x = 6,107,085,080.23/105,206.06 - Step 6: Final answer
x = 58,048.80
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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.