Finding the Fourth Proportional to 351,984.76, 528,134.09 and 162,343.13
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Solution
The fourth proportional to 351,984.76, 528,134.09 and 162,343.13 is: 243,587.08
Step by Step Solution
- Step 1: Write the proportion equation
351,984.76 : 528,134.09 = 162,343.13 : x - Step 2: Convert to fraction form
351,984.76/528,134.09 = 162,343.13/x - Step 3: Cross multiply
351,984.76x = 528,134.09 × 162,343.13 - Step 4: Simplify right side
351,984.76x = 85,738,937,777.92 - Step 5: Solve for x
x = 85,738,937,777.92/351,984.76 - Step 6: Final answer
x = 243,587.08
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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.