Finding the Fourth Proportional to 162,128.44, 243,230.10 and 51,320.44
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Solution
The fourth proportional to 162,128.44, 243,230.10 and 51,320.44 is: 76,992.51
Step by Step Solution
- Step 1: Write the proportion equation
162,128.44 : 243,230.10 = 51,320.44 : x - Step 2: Convert to fraction form
162,128.44/243,230.10 = 51,320.44/x - Step 3: Cross multiply
162,128.44x = 243,230.10 × 51,320.44 - Step 4: Simplify right side
162,128.44x = 12,482,675,753.24 - Step 5: Solve for x
x = 12,482,675,753.24/162,128.44 - Step 6: Final answer
x = 76,992.51
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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.