Finding the Fourth Proportional to 109,722.84, 151,408.26 and 64,395.96
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Solution
The fourth proportional to 109,722.84, 151,408.26 and 64,395.96 is: 88,860.99
Step by Step Solution
- Step 1: Write the proportion equation
109,722.84 : 151,408.26 = 64,395.96 : x - Step 2: Convert to fraction form
109,722.84/151,408.26 = 64,395.96/x - Step 3: Cross multiply
109,722.84x = 151,408.26 × 64,395.96 - Step 4: Simplify right side
109,722.84x = 9,750,080,254.63 - Step 5: Solve for x
x = 9,750,080,254.63/109,722.84 - Step 6: Final answer
x = 88,860.99
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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.