Finding the Fourth Proportional to 226,458.23, 312,478.10 and 124,487.99
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Solution
The fourth proportional to 226,458.23, 312,478.10 and 124,487.99 is: 171,774.59
Step by Step Solution
- Step 1: Write the proportion equation
226,458.23 : 312,478.10 = 124,487.99 : x - Step 2: Convert to fraction form
226,458.23/312,478.10 = 124,487.99/x - Step 3: Cross multiply
226,458.23x = 312,478.10 × 124,487.99 - Step 4: Simplify right side
226,458.23x = 38,899,770,742.06 - Step 5: Solve for x
x = 38,899,770,742.06/226,458.23 - Step 6: Final answer
x = 171,774.59
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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.