Finding the Fourth Proportional to 330,745.24, 456,419.10 and 203,400.28
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Solution
The fourth proportional to 330,745.24, 456,419.10 and 203,400.28 is: 280,686.65
Step by Step Solution
- Step 1: Write the proportion equation
330,745.24 : 456,419.10 = 203,400.28 : x - Step 2: Convert to fraction form
330,745.24/456,419.10 = 203,400.28/x - Step 3: Cross multiply
330,745.24x = 456,419.10 × 203,400.28 - Step 4: Simplify right side
330,745.24x = 92,835,772,737.35 - Step 5: Solve for x
x = 92,835,772,737.35/330,745.24 - Step 6: Final answer
x = 280,686.65
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1.5x scale
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.