Finding the Fourth Proportional to 238,708.14, 358,043.16 and 138,804.62
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Solution
The fourth proportional to 238,708.14, 358,043.16 and 138,804.62 is: 208,195.85
Step by Step Solution
- Step 1: Write the proportion equation
238,708.14 : 358,043.16 = 138,804.62 : x - Step 2: Convert to fraction form
238,708.14/358,043.16 = 138,804.62/x - Step 3: Cross multiply
238,708.14x = 358,043.16 × 138,804.62 - Step 4: Simplify right side
238,708.14x = 49,698,044,767.40 - Step 5: Solve for x
x = 49,698,044,767.40/238,708.14 - Step 6: Final answer
x = 208,195.85
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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.