Finding the Fourth Proportional to 392,601.06, 587,739.05 and 242,358.26
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Solution
The fourth proportional to 392,601.06, 587,739.05 and 242,358.26 is: 362,819.74
Step by Step Solution
- Step 1: Write the proportion equation
392,601.06 : 587,739.05 = 242,358.26 : x - Step 2: Convert to fraction form
392,601.06/587,739.05 = 242,358.26/x - Step 3: Cross multiply
392,601.06x = 587,739.05 × 242,358.26 - Step 4: Simplify right side
392,601.06x = 142,443,413,492.05 - Step 5: Solve for x
x = 142,443,413,492.05/392,601.06 - Step 6: Final answer
x = 362,819.74
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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.