Finding the Fourth Proportional to 146,270.84, 201,745.77 and 100,962.68
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Solution
The fourth proportional to 146,270.84, 201,745.77 and 100,962.68 is: 139,253.96
Step by Step Solution
- Step 1: Write the proportion equation
146,270.84 : 201,745.77 = 100,962.68 : x - Step 2: Convert to fraction form
146,270.84/201,745.77 = 100,962.68/x - Step 3: Cross multiply
146,270.84x = 201,745.77 × 100,962.68 - Step 4: Simplify right side
146,270.84x = 20,368,793,617.86 - Step 5: Solve for x
x = 20,368,793,617.86/146,270.84 - Step 6: Final answer
x = 139,253.96
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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.