Finding the Fourth Proportional to 213,329.10, 319,216.05 and 194,666.70
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Solution
The fourth proportional to 213,329.10, 319,216.05 and 194,666.70 is: 291,290.48
Step by Step Solution
- Step 1: Write the proportion equation
213,329.10 : 319,216.05 = 194,666.70 : x - Step 2: Convert to fraction form
213,329.10/319,216.05 = 194,666.70/x - Step 3: Cross multiply
213,329.10x = 319,216.05 × 194,666.70 - Step 4: Simplify right side
213,329.10x = 62,140,735,040.54 - Step 5: Solve for x
x = 62,140,735,040.54/213,329.10 - Step 6: Final answer
x = 291,290.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.