Finding the Fourth Proportional to 346,217.10, 519,012.18 and 135,798.54
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Solution
The fourth proportional to 346,217.10, 519,012.18 and 135,798.54 is: 203,574.86
Step by Step Solution
- Step 1: Write the proportion equation
346,217.10 : 519,012.18 = 135,798.54 : x - Step 2: Convert to fraction form
346,217.10/519,012.18 = 135,798.54/x - Step 3: Cross multiply
346,217.10x = 519,012.18 × 135,798.54 - Step 4: Simplify right side
346,217.10x = 70,481,096,286.22 - Step 5: Solve for x
x = 70,481,096,286.22/346,217.10 - Step 6: Final answer
x = 203,574.86
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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.