Finding the Fourth Proportional to 643,595.22, 965,548.89 and 194,289.26
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Solution
The fourth proportional to 643,595.22, 965,548.89 and 194,289.26 is: 291,480.99
Step by Step Solution
- Step 1: Write the proportion equation
643,595.22 : 965,548.89 = 194,289.26 : x - Step 2: Convert to fraction form
643,595.22/965,548.89 = 194,289.26/x - Step 3: Cross multiply
643,595.22x = 965,548.89 × 194,289.26 - Step 4: Simplify right side
643,595.22x = 187,595,774,504.18 - Step 5: Solve for x
x = 187,595,774,504.18/643,595.22 - Step 6: Final answer
x = 291,480.99
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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.