Finding the Fourth Proportional to 193,109.06, 266,506.91 and 108,242.53
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Solution
The fourth proportional to 193,109.06, 266,506.91 and 108,242.53 is: 149,383.88
Step by Step Solution
- Step 1: Write the proportion equation
193,109.06 : 266,506.91 = 108,242.53 : x - Step 2: Convert to fraction form
193,109.06/266,506.91 = 108,242.53/x - Step 3: Cross multiply
193,109.06x = 266,506.91 × 108,242.53 - Step 4: Simplify right side
193,109.06x = 28,847,381,399.31 - Step 5: Solve for x
x = 28,847,381,399.31/193,109.06 - Step 6: Final answer
x = 149,383.88
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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.