Finding the Fourth Proportional to 113,202.24, 169,809.16 and 28,963.12
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Solution
The fourth proportional to 113,202.24, 169,809.16 and 28,963.12 is: 43,446.17
Step by Step Solution
- Step 1: Write the proportion equation
113,202.24 : 169,809.16 = 28,963.12 : x - Step 2: Convert to fraction form
113,202.24/169,809.16 = 28,963.12/x - Step 3: Cross multiply
113,202.24x = 169,809.16 × 28,963.12 - Step 4: Simplify right side
113,202.24x = 4,918,203,078.18 - Step 5: Solve for x
x = 4,918,203,078.18/113,202.24 - Step 6: Final answer
x = 43,446.17
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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.