Finding the Fourth Proportional to 157,432.65, 236,105.79 and 94,203.03
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Solution
The fourth proportional to 157,432.65, 236,105.79 and 94,203.03 is: 141,278.70
Step by Step Solution
- Step 1: Write the proportion equation
157,432.65 : 236,105.79 = 94,203.03 : x - Step 2: Convert to fraction form
157,432.65/236,105.79 = 94,203.03/x - Step 3: Cross multiply
157,432.65x = 236,105.79 × 94,203.03 - Step 4: Simplify right side
157,432.65x = 22,241,880,818.54 - Step 5: Solve for x
x = 22,241,880,818.54/157,432.65 - Step 6: Final answer
x = 141,278.70
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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.