Finding the Fourth Proportional to 210,348.98, 290,134.29 and 142,336.02
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Solution
The fourth proportional to 210,348.98, 290,134.29 and 142,336.02 is: 196,324.03
Step by Step Solution
- Step 1: Write the proportion equation
210,348.98 : 290,134.29 = 142,336.02 : x - Step 2: Convert to fraction form
210,348.98/290,134.29 = 142,336.02/x - Step 3: Cross multiply
210,348.98x = 290,134.29 × 142,336.02 - Step 4: Simplify right side
210,348.98x = 41,296,559,293.24 - Step 5: Solve for x
x = 41,296,559,293.24/210,348.98 - Step 6: Final answer
x = 196,324.03
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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.