Finding the Fourth Proportional to 201,230.90, 301,408.95 and 122,207.30
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Solution
The fourth proportional to 201,230.90, 301,408.95 and 122,207.30 is: 183,045.32
Step by Step Solution
- Step 1: Write the proportion equation
201,230.90 : 301,408.95 = 122,207.30 : x - Step 2: Convert to fraction form
201,230.90/301,408.95 = 122,207.30/x - Step 3: Cross multiply
201,230.90x = 301,408.95 × 122,207.30 - Step 4: Simplify right side
201,230.90x = 36,834,373,975.34 - Step 5: Solve for x
x = 36,834,373,975.34/201,230.90 - Step 6: Final answer
x = 183,045.32
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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.