Finding the Fourth Proportional to 245,729.40, 368,593.83 and 77,264.49
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Solution
The fourth proportional to 245,729.40, 368,593.83 and 77,264.49 is: 115,896.65
Step by Step Solution
- Step 1: Write the proportion equation
245,729.40 : 368,593.83 = 77,264.49 : x - Step 2: Convert to fraction form
245,729.40/368,593.83 = 77,264.49/x - Step 3: Cross multiply
245,729.40x = 368,593.83 × 77,264.49 - Step 4: Simplify right side
245,729.40x = 28,479,214,292.10 - Step 5: Solve for x
x = 28,479,214,292.10/245,729.40 - Step 6: Final answer
x = 115,896.65
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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.