Finding the Fourth Proportional to 343,907.06, 474,593.61 and 190,947.62
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Solution
The fourth proportional to 343,907.06, 474,593.61 and 190,947.62 is: 263,508.75
Step by Step Solution
- Step 1: Write the proportion equation
343,907.06 : 474,593.61 = 190,947.62 : x - Step 2: Convert to fraction form
343,907.06/474,593.61 = 190,947.62/x - Step 3: Cross multiply
343,907.06x = 474,593.61 × 190,947.62 - Step 4: Simplify right side
343,907.06x = 90,622,520,296.71 - Step 5: Solve for x
x = 90,622,520,296.71/343,907.06 - Step 6: Final answer
x = 263,508.75
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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.