Finding the Fourth Proportional to 266,212.50, 367,329.90 and 157,301.68
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Solution
The fourth proportional to 266,212.50, 367,329.90 and 157,301.68 is: 217,050.70
Step by Step Solution
- Step 1: Write the proportion equation
266,212.50 : 367,329.90 = 157,301.68 : x - Step 2: Convert to fraction form
266,212.50/367,329.90 = 157,301.68/x - Step 3: Cross multiply
266,212.50x = 367,329.90 × 157,301.68 - Step 4: Simplify right side
266,212.50x = 57,781,610,384.23 - Step 5: Solve for x
x = 57,781,610,384.23/266,212.50 - Step 6: Final answer
x = 217,050.70
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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.