Finding the Fourth Proportional to 157,169.43, 235,652.65 and 67,270.84
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Solution
The fourth proportional to 157,169.43, 235,652.65 and 67,270.84 is: 100,862.82
Step by Step Solution
- Step 1: Write the proportion equation
157,169.43 : 235,652.65 = 67,270.84 : x - Step 2: Convert to fraction form
157,169.43/235,652.65 = 67,270.84/x - Step 3: Cross multiply
157,169.43x = 235,652.65 × 67,270.84 - Step 4: Simplify right side
157,169.43x = 15,852,551,713.73 - Step 5: Solve for x
x = 15,852,551,713.73/157,169.43 - Step 6: Final answer
x = 100,862.82
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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.