Finding the Fourth Proportional to 861,183.84, 1,291,863.84 and 329,152.68
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Solution
The fourth proportional to 861,183.84, 1,291,863.84 and 329,152.68 is: 493,762.69
Step by Step Solution
- Step 1: Write the proportion equation
861,183.84 : 1,291,863.84 = 329,152.68 : x - Step 2: Convert to fraction form
861,183.84/1,291,863.84 = 329,152.68/x - Step 3: Cross multiply
861,183.84x = 1,291,863.84 × 329,152.68 - Step 4: Simplify right side
861,183.84x = 425,220,445,131.09 - Step 5: Solve for x
x = 425,220,445,131.09/861,183.84 - Step 6: Final answer
x = 493,762.69
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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.