Finding the Fourth Proportional to 400,620.24, 552,856.02 and 219,343.68
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Solution
The fourth proportional to 400,620.24, 552,856.02 and 219,343.68 is: 302,694.33
Step by Step Solution
- Step 1: Write the proportion equation
400,620.24 : 552,856.02 = 219,343.68 : x - Step 2: Convert to fraction form
400,620.24/552,856.02 = 219,343.68/x - Step 3: Cross multiply
400,620.24x = 552,856.02 × 219,343.68 - Step 4: Simplify right side
400,620.24x = 121,265,473,936.95 - Step 5: Solve for x
x = 121,265,473,936.95/400,620.24 - Step 6: Final answer
x = 302,694.33
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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.