Finding the Fourth Proportional to 326,291.08, 489,146.70 and 115,901.32
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Solution
The fourth proportional to 326,291.08, 489,146.70 and 115,901.32 is: 173,749.00
Step by Step Solution
- Step 1: Write the proportion equation
326,291.08 : 489,146.70 = 115,901.32 : x - Step 2: Convert to fraction form
326,291.08/489,146.70 = 115,901.32/x - Step 3: Cross multiply
326,291.08x = 489,146.70 × 115,901.32 - Step 4: Simplify right side
326,291.08x = 56,692,748,203.64 - Step 5: Solve for x
x = 56,692,748,203.64/326,291.08 - Step 6: Final answer
x = 173,749.00
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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.