Finding the Fourth Proportional to 162,268.63, 223,930.41 and 97,775.21
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Solution
The fourth proportional to 162,268.63, 223,930.41 and 97,775.21 is: 134,929.61
Step by Step Solution
- Step 1: Write the proportion equation
162,268.63 : 223,930.41 = 97,775.21 : x - Step 2: Convert to fraction form
162,268.63/223,930.41 = 97,775.21/x - Step 3: Cross multiply
162,268.63x = 223,930.41 × 97,775.21 - Step 4: Simplify right side
162,268.63x = 21,894,843,056.31 - Step 5: Solve for x
x = 21,894,843,056.31/162,268.63 - Step 6: Final answer
x = 134,929.61
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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.