Finding the Fourth Proportional to 354,811.14, 489,646.89 and 201,844.26
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Solution
The fourth proportional to 354,811.14, 489,646.89 and 201,844.26 is: 278,549.35
Step by Step Solution
- Step 1: Write the proportion equation
354,811.14 : 489,646.89 = 201,844.26 : x - Step 2: Convert to fraction form
354,811.14/489,646.89 = 201,844.26/x - Step 3: Cross multiply
354,811.14x = 489,646.89 × 201,844.26 - Step 4: Simplify right side
354,811.14x = 98,832,414,173.35 - Step 5: Solve for x
x = 98,832,414,173.35/354,811.14 - Step 6: Final answer
x = 278,549.35
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1.5x scale
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.