Finding the Fourth Proportional to 610,315.18, 842,201.21 and 338,367.20
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Solution
The fourth proportional to 610,315.18, 842,201.21 and 338,367.20 is: 466,928.03
Step by Step Solution
- Step 1: Write the proportion equation
610,315.18 : 842,201.21 = 338,367.20 : x - Step 2: Convert to fraction form
610,315.18/842,201.21 = 338,367.20/x - Step 3: Cross multiply
610,315.18x = 842,201.21 × 338,367.20 - Step 4: Simplify right side
610,315.18x = 284,973,261,899.22 - Step 5: Solve for x
x = 284,973,261,899.22/610,315.18 - Step 6: Final answer
x = 466,928.03
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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.