Finding the Fourth Proportional to 122,866.50, 184,299.55 and 38,633.99
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Solution
The fourth proportional to 122,866.50, 184,299.55 and 38,633.99 is: 57,950.92
Step by Step Solution
- Step 1: Write the proportion equation
122,866.50 : 184,299.55 = 38,633.99 : x - Step 2: Convert to fraction form
122,866.50/184,299.55 = 38,633.99/x - Step 3: Cross multiply
122,866.50x = 184,299.55 × 38,633.99 - Step 4: Simplify right side
122,866.50x = 7,120,226,689.28 - Step 5: Solve for x
x = 7,120,226,689.28/122,866.50 - Step 6: Final answer
x = 57,950.92
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1.5x scale
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.