Finding the Fourth Proportional to 408,889.02, 613,595.97 and 198,412.14
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Solution
The fourth proportional to 408,889.02, 613,595.97 and 198,412.14 is: 297,745.56
Step by Step Solution
- Step 1: Write the proportion equation
408,889.02 : 613,595.97 = 198,412.14 : x - Step 2: Convert to fraction form
408,889.02/613,595.97 = 198,412.14/x - Step 3: Cross multiply
408,889.02x = 613,595.97 × 198,412.14 - Step 4: Simplify right side
408,889.02x = 121,744,889,503.08 - Step 5: Solve for x
x = 121,744,889,503.08/408,889.02 - Step 6: Final answer
x = 297,745.56
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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.