Finding the Fourth Proportional to 354,635.98, 489,395.16 and 201,674.08
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Solution
The fourth proportional to 354,635.98, 489,395.16 and 201,674.08 is: 278,308.81
Step by Step Solution
- Step 1: Write the proportion equation
354,635.98 : 489,395.16 = 201,674.08 : x - Step 2: Convert to fraction form
354,635.98/489,395.16 = 201,674.08/x - Step 3: Cross multiply
354,635.98x = 489,395.16 × 201,674.08 - Step 4: Simplify right side
354,635.98x = 98,698,318,649.45 - Step 5: Solve for x
x = 98,698,318,649.45/354,635.98 - Step 6: Final answer
x = 278,308.81
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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.