Finding the Fourth Proportional to 433,147.10, 649,813.36 and 129,565.08
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Solution
The fourth proportional to 433,147.10, 649,813.36 and 129,565.08 is: 194,375.35
Step by Step Solution
- Step 1: Write the proportion equation
433,147.10 : 649,813.36 = 129,565.08 : x - Step 2: Convert to fraction form
433,147.10/649,813.36 = 129,565.08/x - Step 3: Cross multiply
433,147.10x = 649,813.36 × 129,565.08 - Step 4: Simplify right side
433,147.10x = 84,193,119,973.47 - Step 5: Solve for x
x = 84,193,119,973.47/433,147.10 - Step 6: Final answer
x = 194,375.35
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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.