Finding the Fourth Proportional to 587,915.12, 881,778.20 and 161,351.28
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Solution
The fourth proportional to 587,915.12, 881,778.20 and 161,351.28 is: 242,000.99
Step by Step Solution
- Step 1: Write the proportion equation
587,915.12 : 881,778.20 = 161,351.28 : x - Step 2: Convert to fraction form
587,915.12/881,778.20 = 161,351.28/x - Step 3: Cross multiply
587,915.12x = 881,778.20 × 161,351.28 - Step 4: Simplify right side
587,915.12x = 142,276,041,246.10 - Step 5: Solve for x
x = 142,276,041,246.10/587,915.12 - Step 6: Final answer
x = 242,000.99
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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.