Finding the Fourth Proportional to 157,029.31, 235,454.74 and 107,169.81
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Solution
The fourth proportional to 157,029.31, 235,454.74 and 107,169.81 is: 160,693.82
Step by Step Solution
- Step 1: Write the proportion equation
157,029.31 : 235,454.74 = 107,169.81 : x - Step 2: Convert to fraction form
157,029.31/235,454.74 = 107,169.81/x - Step 3: Cross multiply
157,029.31x = 235,454.74 × 107,169.81 - Step 4: Simplify right side
157,029.31x = 25,233,639,749.40 - Step 5: Solve for x
x = 25,233,639,749.40/157,029.31 - Step 6: Final answer
x = 160,693.82
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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.