Finding the Fourth Proportional to 210,320.30, 290,240.51 and 114,826.99
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Solution
The fourth proportional to 210,320.30, 290,240.51 and 114,826.99 is: 158,460.42
Step by Step Solution
- Step 1: Write the proportion equation
210,320.30 : 290,240.51 = 114,826.99 : x - Step 2: Convert to fraction form
210,320.30/290,240.51 = 114,826.99/x - Step 3: Cross multiply
210,320.30x = 290,240.51 × 114,826.99 - Step 4: Simplify right side
210,320.30x = 33,327,442,839.63 - Step 5: Solve for x
x = 33,327,442,839.63/210,320.30 - Step 6: Final answer
x = 158,460.42
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1.5x scale
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.