Finding the Fourth Proportional to 389,319.72, 582,924.33 and 201,937.56
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Solution
The fourth proportional to 389,319.72, 582,924.33 and 201,937.56 is: 302,358.99
Step by Step Solution
- Step 1: Write the proportion equation
389,319.72 : 582,924.33 = 201,937.56 : x - Step 2: Convert to fraction form
389,319.72/582,924.33 = 201,937.56/x - Step 3: Cross multiply
389,319.72x = 582,924.33 × 201,937.56 - Step 4: Simplify right side
389,319.72x = 117,714,316,864.84 - Step 5: Solve for x
x = 117,714,316,864.84/389,319.72 - Step 6: Final answer
x = 302,358.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.