Finding the Fourth Proportional to 1,144,138.23, 1,716,217.68 and 291,210.81
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Solution
The fourth proportional to 1,144,138.23, 1,716,217.68 and 291,210.81 is: 436,818.85
Step by Step Solution
- Step 1: Write the proportion equation
1,144,138.23 : 1,716,217.68 = 291,210.81 : x - Step 2: Convert to fraction form
1,144,138.23/1,716,217.68 = 291,210.81/x - Step 3: Cross multiply
1,144,138.23x = 1,716,217.68 × 291,210.81 - Step 4: Simplify right side
1,144,138.23x = 499,781,140,729.12 - Step 5: Solve for x
x = 499,781,140,729.12/1,144,138.23 - Step 6: Final answer
x = 436,818.85
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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.