Finding the Fourth Proportional to 326,305.22, 489,438.08 and 194,027.26
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Solution
The fourth proportional to 326,305.22, 489,438.08 and 194,027.26 is: 291,029.15
Step by Step Solution
- Step 1: Write the proportion equation
326,305.22 : 489,438.08 = 194,027.26 : x - Step 2: Convert to fraction form
326,305.22/489,438.08 = 194,027.26/x - Step 3: Cross multiply
326,305.22x = 489,438.08 × 194,027.26 - Step 4: Simplify right side
326,305.22x = 94,964,329,602.06 - Step 5: Solve for x
x = 94,964,329,602.06/326,305.22 - Step 6: Final answer
x = 291,029.15
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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.