Finding the Fourth Proportional to 383,909.68, 575,864.70 and 196,801.84
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Solution
The fourth proportional to 383,909.68, 575,864.70 and 196,801.84 is: 295,202.85
Step by Step Solution
- Step 1: Write the proportion equation
383,909.68 : 575,864.70 = 196,801.84 : x - Step 2: Convert to fraction form
383,909.68/575,864.70 = 196,801.84/x - Step 3: Cross multiply
383,909.68x = 575,864.70 × 196,801.84 - Step 4: Simplify right side
383,909.68x = 113,331,232,551.05 - Step 5: Solve for x
x = 113,331,232,551.05/383,909.68 - Step 6: Final answer
x = 295,202.85
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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.