Finding the Fourth Proportional to 384,230.56, 530,246.16 and 214,471.84
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Solution
The fourth proportional to 384,230.56, 530,246.16 and 214,471.84 is: 295,975.60
Step by Step Solution
- Step 1: Write the proportion equation
384,230.56 : 530,246.16 = 214,471.84 : x - Step 2: Convert to fraction form
384,230.56/530,246.16 = 214,471.84/x - Step 3: Cross multiply
384,230.56x = 530,246.16 × 214,471.84 - Step 4: Simplify right side
384,230.56x = 113,722,869,588.13 - Step 5: Solve for x
x = 113,722,869,588.13/384,230.56 - Step 6: Final answer
x = 295,975.60
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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.