Finding the Fourth Proportional to 324,298.49, 484,318.58 and 276,403.19
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Solution
The fourth proportional to 324,298.49, 484,318.58 and 276,403.19 is: 412,790.08
Step by Step Solution
- Step 1: Write the proportion equation
324,298.49 : 484,318.58 = 276,403.19 : x - Step 2: Convert to fraction form
324,298.49/484,318.58 = 276,403.19/x - Step 3: Cross multiply
324,298.49x = 484,318.58 × 276,403.19 - Step 4: Simplify right side
324,298.49x = 133,867,196,684.66 - Step 5: Solve for x
x = 133,867,196,684.66/324,298.49 - Step 6: Final answer
x = 412,790.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.