Finding the Fourth Proportional to 217,746.37, 300,482.24 and 122,257.09
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Solution
The fourth proportional to 217,746.37, 300,482.24 and 122,257.09 is: 168,710.43
Step by Step Solution
- Step 1: Write the proportion equation
217,746.37 : 300,482.24 = 122,257.09 : x - Step 2: Convert to fraction form
217,746.37/300,482.24 = 122,257.09/x - Step 3: Cross multiply
217,746.37x = 300,482.24 × 122,257.09 - Step 4: Simplify right side
217,746.37x = 36,736,082,756.67 - Step 5: Solve for x
x = 36,736,082,756.67/217,746.37 - Step 6: Final answer
x = 168,710.43
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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.