Finding the Fourth Proportional to 358,083.64, 536,641.62 and 136,346.68
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Solution
The fourth proportional to 358,083.64, 536,641.62 and 136,346.68 is: 204,335.79
Step by Step Solution
- Step 1: Write the proportion equation
358,083.64 : 536,641.62 = 136,346.68 : x - Step 2: Convert to fraction form
358,083.64/536,641.62 = 136,346.68/x - Step 3: Cross multiply
358,083.64x = 536,641.62 × 136,346.68 - Step 4: Simplify right side
358,083.64x = 73,169,303,236.82 - Step 5: Solve for x
x = 73,169,303,236.82/358,083.64 - Step 6: Final answer
x = 204,335.79
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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.