Finding the Fourth Proportional to 535,644.18, 739,164.12 and 293,920.74
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Solution
The fourth proportional to 535,644.18, 739,164.12 and 293,920.74 is: 405,596.99
Step by Step Solution
- Step 1: Write the proportion equation
535,644.18 : 739,164.12 = 293,920.74 : x - Step 2: Convert to fraction form
535,644.18/739,164.12 = 293,920.74/x - Step 3: Cross multiply
535,644.18x = 739,164.12 × 293,920.74 - Step 4: Simplify right side
535,644.18x = 217,255,665,131.85 - Step 5: Solve for x
x = 217,255,665,131.85/535,644.18 - Step 6: Final answer
x = 405,596.99
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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.