Finding the Fourth Proportional to 238,079.26, 328,558.86 and 130,653.14
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Solution
The fourth proportional to 238,079.26, 328,558.86 and 130,653.14 is: 180,306.53
Step by Step Solution
- Step 1: Write the proportion equation
238,079.26 : 328,558.86 = 130,653.14 : x - Step 2: Convert to fraction form
238,079.26/328,558.86 = 130,653.14/x - Step 3: Cross multiply
238,079.26x = 328,558.86 × 130,653.14 - Step 4: Simplify right side
238,079.26x = 42,927,246,078.15 - Step 5: Solve for x
x = 42,927,246,078.15/238,079.26 - Step 6: Final answer
x = 180,306.53
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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.