Finding the Fourth Proportional to 562,099.20, 843,140.99 and 135,631.46
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Solution
The fourth proportional to 562,099.20, 843,140.99 and 135,631.46 is: 203,445.31
Step by Step Solution
- Step 1: Write the proportion equation
562,099.20 : 843,140.99 = 135,631.46 : x - Step 2: Convert to fraction form
562,099.20/843,140.99 = 135,631.46/x - Step 3: Cross multiply
562,099.20x = 843,140.99 × 135,631.46 - Step 4: Simplify right side
562,099.20x = 114,356,443,459.55 - Step 5: Solve for x
x = 114,356,443,459.55/562,099.20 - Step 6: Final answer
x = 203,445.31
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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.