Finding the Fourth Proportional to 430,896.13, 594,640.75 and 239,913.62
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Solution
The fourth proportional to 430,896.13, 594,640.75 and 239,913.62 is: 331,083.07
Step by Step Solution
- Step 1: Write the proportion equation
430,896.13 : 594,640.75 = 239,913.62 : x - Step 2: Convert to fraction form
430,896.13/594,640.75 = 239,913.62/x - Step 3: Cross multiply
430,896.13x = 594,640.75 × 239,913.62 - Step 4: Simplify right side
430,896.13x = 142,662,414,932.02 - Step 5: Solve for x
x = 142,662,414,932.02/430,896.13 - Step 6: Final answer
x = 331,083.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.