Finding the Fourth Proportional to 385,340.08, 532,277.60 and 295,802.40
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Solution
The fourth proportional to 385,340.08, 532,277.60 and 295,802.40 is: 408,597.50
Step by Step Solution
- Step 1: Write the proportion equation
385,340.08 : 532,277.60 = 295,802.40 : x - Step 2: Convert to fraction form
385,340.08/532,277.60 = 295,802.40/x - Step 3: Cross multiply
385,340.08x = 532,277.60 × 295,802.40 - Step 4: Simplify right side
385,340.08x = 157,448,991,546.24 - Step 5: Solve for x
x = 157,448,991,546.24/385,340.08 - Step 6: Final answer
x = 408,597.50
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1.5x scale
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.