Finding the Fourth Proportional to 310,745.19, 466,363.80 and 121,296.30
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Solution
The fourth proportional to 310,745.19, 466,363.80 and 121,296.30 is: 182,040.48
Step by Step Solution
- Step 1: Write the proportion equation
310,745.19 : 466,363.80 = 121,296.30 : x - Step 2: Convert to fraction form
310,745.19/466,363.80 = 121,296.30/x - Step 3: Cross multiply
310,745.19x = 466,363.80 × 121,296.30 - Step 4: Simplify right side
310,745.19x = 56,568,203,393.94 - Step 5: Solve for x
x = 56,568,203,393.94/310,745.19 - Step 6: Final answer
x = 182,040.48
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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.