Finding the Fourth Proportional to 178,120.90, 245,806.84 and 97,551.31
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Solution
The fourth proportional to 178,120.90, 245,806.84 and 97,551.31 is: 134,620.80
Step by Step Solution
- Step 1: Write the proportion equation
178,120.90 : 245,806.84 = 97,551.31 : x - Step 2: Convert to fraction form
178,120.90/245,806.84 = 97,551.31/x - Step 3: Cross multiply
178,120.90x = 245,806.84 × 97,551.31 - Step 4: Simplify right side
178,120.90x = 23,978,778,215.93 - Step 5: Solve for x
x = 23,978,778,215.93/178,120.90 - Step 6: Final answer
x = 134,620.80
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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.