Finding the Fourth Proportional to 565,478.79, 848,217.65 and 144,753.99
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Solution
The fourth proportional to 565,478.79, 848,217.65 and 144,753.99 is: 217,130.85
Step by Step Solution
- Step 1: Write the proportion equation
565,478.79 : 848,217.65 = 144,753.99 : x - Step 2: Convert to fraction form
565,478.79/848,217.65 = 144,753.99/x - Step 3: Cross multiply
565,478.79x = 848,217.65 × 144,753.99 - Step 4: Simplify right side
565,478.79x = 122,782,888,502.15 - Step 5: Solve for x
x = 122,782,888,502.15/565,478.79 - Step 6: Final answer
x = 217,130.85
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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.