Finding the Fourth Proportional to 846,130.32, 1,269,199.84 and 285,169.68
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Solution
The fourth proportional to 846,130.32, 1,269,199.84 and 285,169.68 is: 427,755.99
Step by Step Solution
- Step 1: Write the proportion equation
846,130.32 : 1,269,199.84 = 285,169.68 : x - Step 2: Convert to fraction form
846,130.32/1,269,199.84 = 285,169.68/x - Step 3: Cross multiply
846,130.32x = 1,269,199.84 × 285,169.68 - Step 4: Simplify right side
846,130.32x = 361,937,312,228.85 - Step 5: Solve for x
x = 361,937,312,228.85/846,130.32 - Step 6: Final answer
x = 427,755.99
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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.