Finding the Fourth Proportional to 354,592.06, 489,317.11 and 201,667.46
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Solution
The fourth proportional to 354,592.06, 489,317.11 and 201,667.46 is: 278,289.75
Step by Step Solution
- Step 1: Write the proportion equation
354,592.06 : 489,317.11 = 201,667.46 : x - Step 2: Convert to fraction form
354,592.06/489,317.11 = 201,667.46/x - Step 3: Cross multiply
354,592.06x = 489,317.11 × 201,667.46 - Step 4: Simplify right side
354,592.06x = 98,679,335,757.49 - Step 5: Solve for x
x = 98,679,335,757.49/354,592.06 - Step 6: Final answer
x = 278,289.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.