Finding the Fourth Proportional to 259,884.63, 358,646.67 and 152,532.09
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Solution
The fourth proportional to 259,884.63, 358,646.67 and 152,532.09 is: 210,497.74
Step by Step Solution
- Step 1: Write the proportion equation
259,884.63 : 358,646.67 = 152,532.09 : x - Step 2: Convert to fraction form
259,884.63/358,646.67 = 152,532.09/x - Step 3: Cross multiply
259,884.63x = 358,646.67 × 152,532.09 - Step 4: Simplify right side
259,884.63x = 54,705,126,146.64 - Step 5: Solve for x
x = 54,705,126,146.64/259,884.63 - Step 6: Final answer
x = 210,497.74
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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.