Finding the Fourth Proportional to 280,351.53, 420,516.36 and 93,363.03
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Solution
The fourth proportional to 280,351.53, 420,516.36 and 93,363.03 is: 140,040.90
Step by Step Solution
- Step 1: Write the proportion equation
280,351.53 : 420,516.36 = 93,363.03 : x - Step 2: Convert to fraction form
280,351.53/420,516.36 = 93,363.03/x - Step 3: Cross multiply
280,351.53x = 420,516.36 × 93,363.03 - Step 4: Simplify right side
280,351.53x = 39,260,681,534.17 - Step 5: Solve for x
x = 39,260,681,534.17/280,351.53 - Step 6: Final answer
x = 140,040.90
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1.5x scale
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.