Finding the Fourth Proportional to 223,108.75, 307,890.08 and 122,506.75
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Solution
The fourth proportional to 223,108.75, 307,890.08 and 122,506.75 is: 169,059.32
Step by Step Solution
- Step 1: Write the proportion equation
223,108.75 : 307,890.08 = 122,506.75 : x - Step 2: Convert to fraction form
223,108.75/307,890.08 = 122,506.75/x - Step 3: Cross multiply
223,108.75x = 307,890.08 × 122,506.75 - Step 4: Simplify right side
223,108.75x = 37,718,613,058.04 - Step 5: Solve for x
x = 37,718,613,058.04/223,108.75 - Step 6: Final answer
x = 169,059.32
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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.