Finding the Fourth Proportional to 325,101.80, 487,652.70 and 159,213.80
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Solution
The fourth proportional to 325,101.80, 487,652.70 and 159,213.80 is: 238,820.70
Step by Step Solution
- Step 1: Write the proportion equation
325,101.80 : 487,652.70 = 159,213.80 : x - Step 2: Convert to fraction form
325,101.80/487,652.70 = 159,213.80/x - Step 3: Cross multiply
325,101.80x = 487,652.70 × 159,213.80 - Step 4: Simplify right side
325,101.80x = 77,641,039,447.26 - Step 5: Solve for x
x = 77,641,039,447.26/325,101.80 - Step 6: Final answer
x = 238,820.70
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1.5x scale
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.