Finding the Fourth Proportional to 193,032.12, 266,377.88 and 106,987.44
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Solution
The fourth proportional to 193,032.12, 266,377.88 and 106,987.44 is: 147,639.09
Step by Step Solution
- Step 1: Write the proportion equation
193,032.12 : 266,377.88 = 106,987.44 : x - Step 2: Convert to fraction form
193,032.12/266,377.88 = 106,987.44/x - Step 3: Cross multiply
193,032.12x = 266,377.88 × 106,987.44 - Step 4: Simplify right side
193,032.12x = 28,499,087,453.83 - Step 5: Solve for x
x = 28,499,087,453.83/193,032.12 - Step 6: Final answer
x = 147,639.09
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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.