Finding the Fourth Proportional to 215,014.34, 322,403.04 and 102,722.84
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Solution
The fourth proportional to 215,014.34, 322,403.04 and 102,722.84 is: 154,027.66
Step by Step Solution
- Step 1: Write the proportion equation
215,014.34 : 322,403.04 = 102,722.84 : x - Step 2: Convert to fraction form
215,014.34/322,403.04 = 102,722.84/x - Step 3: Cross multiply
215,014.34x = 322,403.04 × 102,722.84 - Step 4: Simplify right side
215,014.34x = 33,118,155,893.43 - Step 5: Solve for x
x = 33,118,155,893.43/215,014.34 - Step 6: Final answer
x = 154,027.66
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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.