Finding the Fourth Proportional to 134,735.30, 202,269.35 and 84,815.30
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Solution
The fourth proportional to 134,735.30, 202,269.35 and 84,815.30 is: 127,327.70
Step by Step Solution
- Step 1: Write the proportion equation
134,735.30 : 202,269.35 = 84,815.30 : x - Step 2: Convert to fraction form
134,735.30/202,269.35 = 84,815.30/x - Step 3: Cross multiply
134,735.30x = 202,269.35 × 84,815.30 - Step 4: Simplify right side
134,735.30x = 17,155,535,601.06 - Step 5: Solve for x
x = 17,155,535,601.06/134,735.30 - Step 6: Final answer
x = 127,327.70
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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.