Finding the Fourth Proportional to 133,209.58, 199,684.50 and 53,223.70
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Solution
The fourth proportional to 133,209.58, 199,684.50 and 53,223.70 is: 79,783.66
Step by Step Solution
- Step 1: Write the proportion equation
133,209.58 : 199,684.50 = 53,223.70 : x - Step 2: Convert to fraction form
133,209.58/199,684.50 = 53,223.70/x - Step 3: Cross multiply
133,209.58x = 199,684.50 × 53,223.70 - Step 4: Simplify right side
133,209.58x = 10,627,947,922.65 - Step 5: Solve for x
x = 10,627,947,922.65/133,209.58 - Step 6: Final answer
x = 79,783.66
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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.