Finding the Fourth Proportional to 378,903.80, 567,606.90 and 245,876.60
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Solution
The fourth proportional to 378,903.80, 567,606.90 and 245,876.60 is: 368,328.99
Step by Step Solution
- Step 1: Write the proportion equation
378,903.80 : 567,606.90 = 245,876.60 : x - Step 2: Convert to fraction form
378,903.80/567,606.90 = 245,876.60/x - Step 3: Cross multiply
378,903.80x = 567,606.90 × 245,876.60 - Step 4: Simplify right side
378,903.80x = 139,561,254,708.54 - Step 5: Solve for x
x = 139,561,254,708.54/378,903.80 - Step 6: Final answer
x = 368,328.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.