Finding the Fourth Proportional to 605,201.80, 907,802.70 and 290,273.80
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Solution
The fourth proportional to 605,201.80, 907,802.70 and 290,273.80 is: 435,410.70
Step by Step Solution
- Step 1: Write the proportion equation
605,201.80 : 907,802.70 = 290,273.80 : x - Step 2: Convert to fraction form
605,201.80/907,802.70 = 290,273.80/x - Step 3: Cross multiply
605,201.80x = 907,802.70 × 290,273.80 - Step 4: Simplify right side
605,201.80x = 263,511,339,379.26 - Step 5: Solve for x
x = 263,511,339,379.26/605,201.80 - Step 6: Final answer
x = 435,410.70
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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.