Finding the Fourth Proportional to 326,440.08, 489,583.56 and 157,877.06
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Solution
The fourth proportional to 326,440.08, 489,583.56 and 157,877.06 is: 236,778.56
Step by Step Solution
- Step 1: Write the proportion equation
326,440.08 : 489,583.56 = 157,877.06 : x - Step 2: Convert to fraction form
326,440.08/489,583.56 = 157,877.06/x - Step 3: Cross multiply
326,440.08x = 489,583.56 × 157,877.06 - Step 4: Simplify right side
326,440.08x = 77,294,013,077.13 - Step 5: Solve for x
x = 77,294,013,077.13/326,440.08 - Step 6: Final answer
x = 236,778.56
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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.