Finding the Fourth Proportional to 341,569.20, 512,353.80 and 239,709.68
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Solution
The fourth proportional to 341,569.20, 512,353.80 and 239,709.68 is: 359,564.51
Step by Step Solution
- Step 1: Write the proportion equation
341,569.20 : 512,353.80 = 239,709.68 : x - Step 2: Convert to fraction form
341,569.20/512,353.80 = 239,709.68/x - Step 3: Cross multiply
341,569.20x = 512,353.80 × 239,709.68 - Step 4: Simplify right side
341,569.20x = 122,816,162,883.02 - Step 5: Solve for x
x = 122,816,162,883.02/341,569.20 - Step 6: Final answer
x = 359,564.51
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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.