Finding the Fourth Proportional to 670,456.80, 925,227.36 and 368,650.08
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Solution
The fourth proportional to 670,456.80, 925,227.36 and 368,650.08 is: 508,735.45
Step by Step Solution
- Step 1: Write the proportion equation
670,456.80 : 925,227.36 = 368,650.08 : x - Step 2: Convert to fraction form
670,456.80/925,227.36 = 368,650.08/x - Step 3: Cross multiply
670,456.80x = 925,227.36 × 368,650.08 - Step 4: Simplify right side
670,456.80x = 341,085,140,282.19 - Step 5: Solve for x
x = 341,085,140,282.19/670,456.80 - Step 6: Final answer
x = 508,735.45
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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.