Finding the Fourth Proportional to 433,782.50, 649,541.97 and 349,079.99
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Solution
The fourth proportional to 433,782.50, 649,541.97 and 349,079.99 is: 522,709.20
Step by Step Solution
- Step 1: Write the proportion equation
433,782.50 : 649,541.97 = 349,079.99 : x - Step 2: Convert to fraction form
433,782.50/649,541.97 = 349,079.99/x - Step 3: Cross multiply
433,782.50x = 649,541.97 × 349,079.99 - Step 4: Simplify right side
433,782.50x = 226,742,101,144.47 - Step 5: Solve for x
x = 226,742,101,144.47/433,782.50 - Step 6: Final answer
x = 522,709.20
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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.