Finding the Fourth Proportional to 346,816.10, 520,012.95 and 136,201.70
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Solution
The fourth proportional to 346,816.10, 520,012.95 and 136,201.70 is: 204,219.61
Step by Step Solution
- Step 1: Write the proportion equation
346,816.10 : 520,012.95 = 136,201.70 : x - Step 2: Convert to fraction form
346,816.10/520,012.95 = 136,201.70/x - Step 3: Cross multiply
346,816.10x = 520,012.95 × 136,201.70 - Step 4: Simplify right side
346,816.10x = 70,826,647,812.02 - Step 5: Solve for x
x = 70,826,647,812.02/346,816.10 - Step 6: Final answer
x = 204,219.61
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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.