Finding the Fourth Proportional to 326,437.08, 489,579.06 and 157,874.06
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Solution
The fourth proportional to 326,437.08, 489,579.06 and 157,874.06 is: 236,774.06
Step by Step Solution
- Step 1: Write the proportion equation
326,437.08 : 489,579.06 = 157,874.06 : x - Step 2: Convert to fraction form
326,437.08/489,579.06 = 157,874.06/x - Step 3: Cross multiply
326,437.08x = 489,579.06 × 157,874.06 - Step 4: Simplify right side
326,437.08x = 77,291,833,893.18 - Step 5: Solve for x
x = 77,291,833,893.18/326,437.08 - Step 6: Final answer
x = 236,774.06
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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.