Finding the Fourth Proportional to 221,341.41, 305,465.58 and 125,856.99
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Solution
The fourth proportional to 221,341.41, 305,465.58 and 125,856.99 is: 173,690.85
Step by Step Solution
- Step 1: Write the proportion equation
221,341.41 : 305,465.58 = 125,856.99 : x - Step 2: Convert to fraction form
221,341.41/305,465.58 = 125,856.99/x - Step 3: Cross multiply
221,341.41x = 305,465.58 × 125,856.99 - Step 4: Simplify right side
221,341.41x = 38,444,978,447.40 - Step 5: Solve for x
x = 38,444,978,447.40/221,341.41 - Step 6: Final answer
x = 173,690.85
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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.