Finding the Fourth Proportional to 610,266.63, 842,217.84 and 338,419.80
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Solution
The fourth proportional to 610,266.63, 842,217.84 and 338,419.80 is: 467,046.99
Step by Step Solution
- Step 1: Write the proportion equation
610,266.63 : 842,217.84 = 338,419.80 : x - Step 2: Convert to fraction form
610,266.63/842,217.84 = 338,419.80/x - Step 3: Cross multiply
610,266.63x = 842,217.84 × 338,419.80 - Step 4: Simplify right side
610,266.63x = 285,023,192,969.23 - Step 5: Solve for x
x = 285,023,192,969.23/610,266.63 - Step 6: Final answer
x = 467,046.99
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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.