Finding the Fourth Proportional to 226,203.42, 312,199.13 and 130,765.44
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Solution
The fourth proportional to 226,203.42, 312,199.13 and 130,765.44 is: 180,478.51
Step by Step Solution
- Step 1: Write the proportion equation
226,203.42 : 312,199.13 = 130,765.44 : x - Step 2: Convert to fraction form
226,203.42/312,199.13 = 130,765.44/x - Step 3: Cross multiply
226,203.42x = 312,199.13 × 130,765.44 - Step 4: Simplify right side
226,203.42x = 40,824,855,948.24 - Step 5: Solve for x
x = 40,824,855,948.24/226,203.42 - Step 6: Final answer
x = 180,478.51
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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.