Finding the Fourth Proportional to 330,471.02, 456,091.34 and 187,277.19
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Solution
The fourth proportional to 330,471.02, 456,091.34 and 187,277.19 is: 258,465.95
Step by Step Solution
- Step 1: Write the proportion equation
330,471.02 : 456,091.34 = 187,277.19 : x - Step 2: Convert to fraction form
330,471.02/456,091.34 = 187,277.19/x - Step 3: Cross multiply
330,471.02x = 456,091.34 × 187,277.19 - Step 4: Simplify right side
330,471.02x = 85,415,503,602.15 - Step 5: Solve for x
x = 85,415,503,602.15/330,471.02 - Step 6: Final answer
x = 258,465.95
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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.