Finding the Fourth Proportional to 430,163.33, 645,261.41 and 160,358.60
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Solution
The fourth proportional to 430,163.33, 645,261.41 and 160,358.60 is: 240,544.03
Step by Step Solution
- Step 1: Write the proportion equation
430,163.33 : 645,261.41 = 160,358.60 : x - Step 2: Convert to fraction form
430,163.33/645,261.41 = 160,358.60/x - Step 3: Cross multiply
430,163.33x = 645,261.41 × 160,358.60 - Step 4: Simplify right side
430,163.33x = 103,473,218,355.68 - Step 5: Solve for x
x = 103,473,218,355.68/430,163.33 - Step 6: Final answer
x = 240,544.03
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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.