Finding the Fourth Proportional to 106,289.08, 159,442.79 and 27,402.64
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Solution
The fourth proportional to 106,289.08, 159,442.79 and 27,402.64 is: 41,106.32
Step by Step Solution
- Step 1: Write the proportion equation
106,289.08 : 159,442.79 = 27,402.64 : x - Step 2: Convert to fraction form
106,289.08/159,442.79 = 27,402.64/x - Step 3: Cross multiply
106,289.08x = 159,442.79 × 27,402.64 - Step 4: Simplify right side
106,289.08x = 4,369,153,374.97 - Step 5: Solve for x
x = 4,369,153,374.97/106,289.08 - Step 6: Final answer
x = 41,106.32
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1.5x scale
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.