Finding the Fourth Proportional to 340,589.04, 470,034.36 and 189,685.68
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Solution
The fourth proportional to 340,589.04, 470,034.36 and 189,685.68 is: 261,778.20
Step by Step Solution
- Step 1: Write the proportion equation
340,589.04 : 470,034.36 = 189,685.68 : x - Step 2: Convert to fraction form
340,589.04/470,034.36 = 189,685.68/x - Step 3: Cross multiply
340,589.04x = 470,034.36 × 189,685.68 - Step 4: Simplify right side
340,589.04x = 89,158,787,199.96 - Step 5: Solve for x
x = 89,158,787,199.96/340,589.04 - Step 6: Final answer
x = 261,778.20
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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.