Finding the Fourth Proportional to 684,425.10, 1,026,540.45 and 235,166.70
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Solution
The fourth proportional to 684,425.10, 1,026,540.45 and 235,166.70 is: 352,716.65
Step by Step Solution
- Step 1: Write the proportion equation
684,425.10 : 1,026,540.45 = 235,166.70 : x - Step 2: Convert to fraction form
684,425.10/1,026,540.45 = 235,166.70/x - Step 3: Cross multiply
684,425.10x = 1,026,540.45 × 235,166.70 - Step 4: Simplify right side
684,425.10x = 241,408,130,043.02 - Step 5: Solve for x
x = 241,408,130,043.02/684,425.10 - Step 6: Final answer
x = 352,716.65
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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.