Finding the Fourth Proportional to 170,865.42, 235,789.47 and 94,383.09
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Solution
The fourth proportional to 170,865.42, 235,789.47 and 94,383.09 is: 130,246.01
Step by Step Solution
- Step 1: Write the proportion equation
170,865.42 : 235,789.47 = 94,383.09 : x - Step 2: Convert to fraction form
170,865.42/235,789.47 = 94,383.09/x - Step 3: Cross multiply
170,865.42x = 235,789.47 × 94,383.09 - Step 4: Simplify right side
170,865.42x = 22,254,538,768.06 - Step 5: Solve for x
x = 22,254,538,768.06/170,865.42 - Step 6: Final answer
x = 130,246.01
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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.