Finding the Fourth Proportional to 610,282.09, 842,239.19 and 338,435.26
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Solution
The fourth proportional to 610,282.09, 842,239.19 and 338,435.26 is: 467,068.33
Step by Step Solution
- Step 1: Write the proportion equation
610,282.09 : 842,239.19 = 338,435.26 : x - Step 2: Convert to fraction form
610,282.09/842,239.19 = 338,435.26/x - Step 3: Cross multiply
610,282.09x = 842,239.19 × 338,435.26 - Step 4: Simplify right side
610,282.09x = 285,043,435,452.07 - Step 5: Solve for x
x = 285,043,435,452.07/610,282.09 - Step 6: Final answer
x = 467,068.33
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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.