Finding the Fourth Proportional to 345,588.26, 518,304.62 and 123,972.26
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Solution
The fourth proportional to 345,588.26, 518,304.62 and 123,972.26 is: 185,930.49
Step by Step Solution
- Step 1: Write the proportion equation
345,588.26 : 518,304.62 = 123,972.26 : x - Step 2: Convert to fraction form
345,588.26/518,304.62 = 123,972.26/x - Step 3: Cross multiply
345,588.26x = 518,304.62 × 123,972.26 - Step 4: Simplify right side
345,588.26x = 64,255,392,828.25 - Step 5: Solve for x
x = 64,255,392,828.25/345,588.26 - Step 6: Final answer
x = 185,930.49
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1.5x scale
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.