Finding the Fourth Proportional to 221,905.96, 306,230.24 and 119,931.12
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Solution
The fourth proportional to 221,905.96, 306,230.24 and 119,931.12 is: 165,504.95
Step by Step Solution
- Step 1: Write the proportion equation
221,905.96 : 306,230.24 = 119,931.12 : x - Step 2: Convert to fraction form
221,905.96/306,230.24 = 119,931.12/x - Step 3: Cross multiply
221,905.96x = 306,230.24 × 119,931.12 - Step 4: Simplify right side
221,905.96x = 36,726,535,661.07 - Step 5: Solve for x
x = 36,726,535,661.07/221,905.96 - Step 6: Final answer
x = 165,504.95
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1.5x scale
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.