Finding the Fourth Proportional to 193,059.71, 266,127.09 and 135,537.66
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Solution
The fourth proportional to 193,059.71, 266,127.09 and 135,537.66 is: 186,834.65
Step by Step Solution
- Step 1: Write the proportion equation
193,059.71 : 266,127.09 = 135,537.66 : x - Step 2: Convert to fraction form
193,059.71/266,127.09 = 135,537.66/x - Step 3: Cross multiply
193,059.71x = 266,127.09 × 135,537.66 - Step 4: Simplify right side
193,059.71x = 36,070,243,041.21 - Step 5: Solve for x
x = 36,070,243,041.21/193,059.71 - Step 6: Final answer
x = 186,834.65
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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.