Finding the Fourth Proportional to 170,676.36, 235,495.68 and 99,014.88
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Solution
The fourth proportional to 170,676.36, 235,495.68 and 99,014.88 is: 136,618.67
Step by Step Solution
- Step 1: Write the proportion equation
170,676.36 : 235,495.68 = 99,014.88 : x - Step 2: Convert to fraction form
170,676.36/235,495.68 = 99,014.88/x - Step 3: Cross multiply
170,676.36x = 235,495.68 × 99,014.88 - Step 4: Simplify right side
170,676.36x = 23,317,576,495.72 - Step 5: Solve for x
x = 23,317,576,495.72/170,676.36 - Step 6: Final answer
x = 136,618.67
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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.