Finding the Fourth Proportional to 310,789.58, 466,078.37 and 121,235.00
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Solution
The fourth proportional to 310,789.58, 466,078.37 and 121,235.00 is: 181,811.14
Step by Step Solution
- Step 1: Write the proportion equation
310,789.58 : 466,078.37 = 121,235.00 : x - Step 2: Convert to fraction form
310,789.58/466,078.37 = 121,235.00/x - Step 3: Cross multiply
310,789.58x = 466,078.37 × 121,235.00 - Step 4: Simplify right side
310,789.58x = 56,505,008,250.38 - Step 5: Solve for x
x = 56,505,008,250.38/310,789.58 - Step 6: Final answer
x = 181,811.14
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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.