Finding the Fourth Proportional to 112,955.08, 169,423.36 and 38,073.60
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Solution
The fourth proportional to 112,955.08, 169,423.36 and 38,073.60 is: 57,107.28
Step by Step Solution
- Step 1: Write the proportion equation
112,955.08 : 169,423.36 = 38,073.60 : x - Step 2: Convert to fraction form
112,955.08/169,423.36 = 38,073.60/x - Step 3: Cross multiply
112,955.08x = 169,423.36 × 38,073.60 - Step 4: Simplify right side
112,955.08x = 6,450,557,239.30 - Step 5: Solve for x
x = 6,450,557,239.30/112,955.08 - Step 6: Final answer
x = 57,107.28
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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.