Finding the Fourth Proportional to 1,143,174.38, 1,714,762.40 and 290,309.99
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Solution
The fourth proportional to 1,143,174.38, 1,714,762.40 and 290,309.99 is: 435,465.19
Step by Step Solution
- Step 1: Write the proportion equation
1,143,174.38 : 1,714,762.40 = 290,309.99 : x - Step 2: Convert to fraction form
1,143,174.38/1,714,762.40 = 290,309.99/x - Step 3: Cross multiply
1,143,174.38x = 1,714,762.40 × 290,309.99 - Step 4: Simplify right side
1,143,174.38x = 497,812,645,171.01 - Step 5: Solve for x
x = 497,812,645,171.01/1,143,174.38 - Step 6: Final answer
x = 435,465.19
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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.