Finding the Fourth Proportional to 368,949.42, 553,369.04 and 102,682.18
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Solution
The fourth proportional to 368,949.42, 553,369.04 and 102,682.18 is: 154,007.94
Step by Step Solution
- Step 1: Write the proportion equation
368,949.42 : 553,369.04 = 102,682.18 : x - Step 2: Convert to fraction form
368,949.42/553,369.04 = 102,682.18/x - Step 3: Cross multiply
368,949.42x = 553,369.04 × 102,682.18 - Step 4: Simplify right side
368,949.42x = 56,821,139,371.71 - Step 5: Solve for x
x = 56,821,139,371.71/368,949.42 - Step 6: Final answer
x = 154,007.94
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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.