Finding the Fourth Proportional to 381,512.16, 572,475.60 and 160,051.68
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Solution
The fourth proportional to 381,512.16, 572,475.60 and 160,051.68 is: 240,164.51
Step by Step Solution
- Step 1: Write the proportion equation
381,512.16 : 572,475.60 = 160,051.68 : x - Step 2: Convert to fraction form
381,512.16/572,475.60 = 160,051.68/x - Step 3: Cross multiply
381,512.16x = 572,475.60 × 160,051.68 - Step 4: Simplify right side
381,512.16x = 91,625,681,539.01 - Step 5: Solve for x
x = 91,625,681,539.01/381,512.16 - Step 6: Final answer
x = 240,164.51
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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.