Finding the Fourth Proportional to 193,054.60, 266,257.42 and 135,883.18
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Solution
The fourth proportional to 193,054.60, 266,257.42 and 135,883.18 is: 187,407.63
Step by Step Solution
- Step 1: Write the proportion equation
193,054.60 : 266,257.42 = 135,883.18 : x - Step 2: Convert to fraction form
193,054.60/266,257.42 = 135,883.18/x - Step 3: Cross multiply
193,054.60x = 266,257.42 × 135,883.18 - Step 4: Simplify right side
193,054.60x = 36,179,905,104.65 - Step 5: Solve for x
x = 36,179,905,104.65/193,054.60 - Step 6: Final answer
x = 187,407.63
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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.