Finding the Fourth Proportional to 565,563.70, 848,338.14 and 139,103.21
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Solution
The fourth proportional to 565,563.70, 848,338.14 and 139,103.21 is: 208,652.99
Step by Step Solution
- Step 1: Write the proportion equation
565,563.70 : 848,338.14 = 139,103.21 : x - Step 2: Convert to fraction form
565,563.70/848,338.14 = 139,103.21/x - Step 3: Cross multiply
565,563.70x = 848,338.14 × 139,103.21 - Step 4: Simplify right side
565,563.70x = 118,006,558,439.43 - Step 5: Solve for x
x = 118,006,558,439.43/565,563.70 - Step 6: Final answer
x = 208,652.99
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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.