Finding the Fourth Proportional to 263,749.84, 395,673.36 and 86,266.29
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Solution
The fourth proportional to 263,749.84, 395,673.36 and 86,266.29 is: 129,415.33
Step by Step Solution
- Step 1: Write the proportion equation
263,749.84 : 395,673.36 = 86,266.29 : x - Step 2: Convert to fraction form
263,749.84/395,673.36 = 86,266.29/x - Step 3: Cross multiply
263,749.84x = 395,673.36 × 86,266.29 - Step 4: Simplify right side
263,749.84x = 34,133,272,819.03 - Step 5: Solve for x
x = 34,133,272,819.03/263,749.84 - Step 6: Final answer
x = 129,415.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.