Finding the Fourth Proportional to 223,134.75, 307,925.96 and 122,532.75
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Solution
The fourth proportional to 223,134.75, 307,925.96 and 122,532.75 is: 169,095.20
Step by Step Solution
- Step 1: Write the proportion equation
223,134.75 : 307,925.96 = 122,532.75 : x - Step 2: Convert to fraction form
223,134.75/307,925.96 = 122,532.75/x - Step 3: Cross multiply
223,134.75x = 307,925.96 × 122,532.75 - Step 4: Simplify right side
223,134.75x = 37,731,014,062.53 - Step 5: Solve for x
x = 37,731,014,062.53/223,134.75 - Step 6: Final answer
x = 169,095.20
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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.