Finding the Fourth Proportional to 226,988.74, 313,241.52 and 125,012.26
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Solution
The fourth proportional to 226,988.74, 313,241.52 and 125,012.26 is: 172,515.30
Step by Step Solution
- Step 1: Write the proportion equation
226,988.74 : 313,241.52 = 125,012.26 : x - Step 2: Convert to fraction form
226,988.74/313,241.52 = 125,012.26/x - Step 3: Cross multiply
226,988.74x = 313,241.52 × 125,012.26 - Step 4: Simplify right side
226,988.74x = 39,159,030,341.04 - Step 5: Solve for x
x = 39,159,030,341.04/226,988.74 - Step 6: Final answer
x = 172,515.30
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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.