Finding the Fourth Proportional to 330,402.45, 455,927.12 and 183,232.05
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Solution
The fourth proportional to 330,402.45, 455,927.12 and 183,232.05 is: 252,844.55
Step by Step Solution
- Step 1: Write the proportion equation
330,402.45 : 455,927.12 = 183,232.05 : x - Step 2: Convert to fraction form
330,402.45/455,927.12 = 183,232.05/x - Step 3: Cross multiply
330,402.45x = 455,927.12 × 183,232.05 - Step 4: Simplify right side
330,402.45x = 83,540,459,932.04 - Step 5: Solve for x
x = 83,540,459,932.04/330,402.45 - Step 6: Final answer
x = 252,844.55
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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.