Finding the Fourth Proportional to 193,123.11, 266,457.06 and 115,567.53
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Solution
The fourth proportional to 193,123.11, 266,457.06 and 115,567.53 is: 159,451.58
Step by Step Solution
- Step 1: Write the proportion equation
193,123.11 : 266,457.06 = 115,567.53 : x - Step 2: Convert to fraction form
193,123.11/266,457.06 = 115,567.53/x - Step 3: Cross multiply
193,123.11x = 266,457.06 × 115,567.53 - Step 4: Simplify right side
193,123.11x = 30,793,784,275.26 - Step 5: Solve for x
x = 30,793,784,275.26/193,123.11 - Step 6: Final answer
x = 159,451.58
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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.