Finding the Fourth Proportional to 238,718.08, 358,081.58 and 191,112.05
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Solution
The fourth proportional to 238,718.08, 358,081.58 and 191,112.05 is: 286,671.65
Step by Step Solution
- Step 1: Write the proportion equation
238,718.08 : 358,081.58 = 191,112.05 : x - Step 2: Convert to fraction form
238,718.08/358,081.58 = 191,112.05/x - Step 3: Cross multiply
238,718.08x = 358,081.58 × 191,112.05 - Step 4: Simplify right side
238,718.08x = 68,433,704,760.68 - Step 5: Solve for x
x = 68,433,704,760.68/238,718.08 - Step 6: Final answer
x = 286,671.65
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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.