Finding the Fourth Proportional to 330,398.43, 455,847.44 and 185,184.09
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Solution
The fourth proportional to 330,398.43, 455,847.44 and 185,184.09 is: 255,496.65
Step by Step Solution
- Step 1: Write the proportion equation
330,398.43 : 455,847.44 = 185,184.09 : x - Step 2: Convert to fraction form
330,398.43/455,847.44 = 185,184.09/x - Step 3: Cross multiply
330,398.43x = 455,847.44 × 185,184.09 - Step 4: Simplify right side
330,398.43x = 84,415,693,355.23 - Step 5: Solve for x
x = 84,415,693,355.23/330,398.43 - Step 6: Final answer
x = 255,496.65
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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.