Finding the Fourth Proportional to 288,939.36, 433,301.26 and 99,346.08
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Solution
The fourth proportional to 288,939.36, 433,301.26 and 99,346.08 is: 148,982.06
Step by Step Solution
- Step 1: Write the proportion equation
288,939.36 : 433,301.26 = 99,346.08 : x - Step 2: Convert to fraction form
288,939.36/433,301.26 = 99,346.08/x - Step 3: Cross multiply
288,939.36x = 433,301.26 × 99,346.08 - Step 4: Simplify right side
288,939.36x = 43,046,781,640.06 - Step 5: Solve for x
x = 43,046,781,640.06/288,939.36 - Step 6: Final answer
x = 148,982.06
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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.