Finding the Fourth Proportional to 1,086,154.16, 1,629,243.18 and 328,002.08
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Solution
The fourth proportional to 1,086,154.16, 1,629,243.18 and 328,002.08 is: 492,006.72
Step by Step Solution
- Step 1: Write the proportion equation
1,086,154.16 : 1,629,243.18 = 328,002.08 : x - Step 2: Convert to fraction form
1,086,154.16/1,629,243.18 = 328,002.08/x - Step 3: Cross multiply
1,086,154.16x = 1,629,243.18 × 328,002.08 - Step 4: Simplify right side
1,086,154.16x = 534,395,143,719.60 - Step 5: Solve for x
x = 534,395,143,719.60/1,086,154.16 - Step 6: Final answer
x = 492,006.72
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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.