Finding the Fourth Proportional to 210,291.03, 290,201.49 and 114,797.70
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Solution
The fourth proportional to 210,291.03, 290,201.49 and 114,797.70 is: 158,420.75
Step by Step Solution
- Step 1: Write the proportion equation
210,291.03 : 290,201.49 = 114,797.70 : x - Step 2: Convert to fraction form
210,291.03/290,201.49 = 114,797.70/x - Step 3: Cross multiply
210,291.03x = 290,201.49 × 114,797.70 - Step 4: Simplify right side
210,291.03x = 33,314,463,588.57 - Step 5: Solve for x
x = 33,314,463,588.57/210,291.03 - Step 6: Final answer
x = 158,420.75
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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.