Finding the Fourth Proportional to 78,954.93, 118,432.38 and 22,803.09
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Solution
The fourth proportional to 78,954.93, 118,432.38 and 22,803.09 is: 34,204.63
Step by Step Solution
- Step 1: Write the proportion equation
78,954.93 : 118,432.38 = 22,803.09 : x - Step 2: Convert to fraction form
78,954.93/118,432.38 = 22,803.09/x - Step 3: Cross multiply
78,954.93x = 118,432.38 × 22,803.09 - Step 4: Simplify right side
78,954.93x = 2,700,624,220.05 - Step 5: Solve for x
x = 2,700,624,220.05/78,954.93 - Step 6: Final answer
x = 34,204.63
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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.