Finding the Fourth Proportional to 399,942.38, 600,134.99 and 239,624.34
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Solution
The fourth proportional to 399,942.38, 600,134.99 and 239,624.34 is: 359,569.17
Step by Step Solution
- Step 1: Write the proportion equation
399,942.38 : 600,134.99 = 239,624.34 : x - Step 2: Convert to fraction form
399,942.38/600,134.99 = 239,624.34/x - Step 3: Cross multiply
399,942.38x = 600,134.99 × 239,624.34 - Step 4: Simplify right side
399,942.38x = 143,806,949,691.54 - Step 5: Solve for x
x = 143,806,949,691.54/399,942.38 - Step 6: Final answer
x = 359,569.17
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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.