Finding the Fourth Proportional to 134,648.36, 185,806.26 and 74,215.67
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Solution
The fourth proportional to 134,648.36, 185,806.26 and 74,215.67 is: 102,412.95
Step by Step Solution
- Step 1: Write the proportion equation
134,648.36 : 185,806.26 = 74,215.67 : x - Step 2: Convert to fraction form
134,648.36/185,806.26 = 74,215.67/x - Step 3: Cross multiply
134,648.36x = 185,806.26 × 74,215.67 - Step 4: Simplify right side
134,648.36x = 13,789,735,147.06 - Step 5: Solve for x
x = 13,789,735,147.06/134,648.36 - Step 6: Final answer
x = 102,412.95
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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.