Finding the Fourth Proportional to 150,335.96, 207,412.11 and 85,758.80
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Solution
The fourth proportional to 150,335.96, 207,412.11 and 85,758.80 is: 118,317.75
Step by Step Solution
- Step 1: Write the proportion equation
150,335.96 : 207,412.11 = 85,758.80 : x - Step 2: Convert to fraction form
150,335.96/207,412.11 = 85,758.80/x - Step 3: Cross multiply
150,335.96x = 207,412.11 × 85,758.80 - Step 4: Simplify right side
150,335.96x = 17,787,412,622.01 - Step 5: Solve for x
x = 17,787,412,622.01/150,335.96 - Step 6: Final answer
x = 118,317.75
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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.