Finding the Fourth Proportional to 108,275.12, 162,430.19 and 33,377.75
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Solution
The fourth proportional to 108,275.12, 162,430.19 and 33,377.75 is: 50,072.02
Step by Step Solution
- Step 1: Write the proportion equation
108,275.12 : 162,430.19 = 33,377.75 : x - Step 2: Convert to fraction form
108,275.12/162,430.19 = 33,377.75/x - Step 3: Cross multiply
108,275.12x = 162,430.19 × 33,377.75 - Step 4: Simplify right side
108,275.12x = 5,421,553,462.12 - Step 5: Solve for x
x = 5,421,553,462.12/108,275.12 - Step 6: Final answer
x = 50,072.02
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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.