Finding the Fourth Proportional to 178,154.20, 245,852.90 and 97,583.07
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Solution
The fourth proportional to 178,154.20, 245,852.90 and 97,583.07 is: 134,664.69
Step by Step Solution
- Step 1: Write the proportion equation
178,154.20 : 245,852.90 = 97,583.07 : x - Step 2: Convert to fraction form
178,154.20/245,852.90 = 97,583.07/x - Step 3: Cross multiply
178,154.20x = 245,852.90 × 97,583.07 - Step 4: Simplify right side
178,154.20x = 23,991,080,262.49 - Step 5: Solve for x
x = 23,991,080,262.49/178,154.20 - Step 6: Final answer
x = 134,664.69
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1.5x scale
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.