Finding the Fourth Proportional to 121,903.24, 182,854.14 and 46,015.96
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Solution
The fourth proportional to 121,903.24, 182,854.14 and 46,015.96 is: 69,023.67
Step by Step Solution
- Step 1: Write the proportion equation
121,903.24 : 182,854.14 = 46,015.96 : x - Step 2: Convert to fraction form
121,903.24/182,854.14 = 46,015.96/x - Step 3: Cross multiply
121,903.24x = 182,854.14 × 46,015.96 - Step 4: Simplify right side
121,903.24x = 8,414,208,792.07 - Step 5: Solve for x
x = 8,414,208,792.07/121,903.24 - Step 6: Final answer
x = 69,023.67
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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.