Finding the Fourth Proportional to 459,857.51, 689,536.07 and 160,257.65
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Solution
The fourth proportional to 459,857.51, 689,536.07 and 160,257.65 is: 240,299.28
Step by Step Solution
- Step 1: Write the proportion equation
459,857.51 : 689,536.07 = 160,257.65 : x - Step 2: Convert to fraction form
459,857.51/689,536.07 = 160,257.65/x - Step 3: Cross multiply
459,857.51x = 689,536.07 × 160,257.65 - Step 4: Simplify right side
459,857.51x = 110,503,425,919.47 - Step 5: Solve for x
x = 110,503,425,919.47/459,857.51 - Step 6: Final answer
x = 240,299.28
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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.