Finding the Fourth Proportional to 387,571.76, 581,341.32 and 134,909.84
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Solution
The fourth proportional to 387,571.76, 581,341.32 and 134,909.84 is: 202,359.08
Step by Step Solution
- Step 1: Write the proportion equation
387,571.76 : 581,341.32 = 134,909.84 : x - Step 2: Convert to fraction form
387,571.76/581,341.32 = 134,909.84/x - Step 3: Cross multiply
387,571.76x = 581,341.32 × 134,909.84 - Step 4: Simplify right side
387,571.76x = 78,428,664,466.59 - Step 5: Solve for x
x = 78,428,664,466.59/387,571.76 - Step 6: Final answer
x = 202,359.08
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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.