Finding the Fourth Proportional to 388,192.32, 582,295.68 and 121,947.84
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Solution
The fourth proportional to 388,192.32, 582,295.68 and 121,947.84 is: 182,924.02
Step by Step Solution
- Step 1: Write the proportion equation
388,192.32 : 582,295.68 = 121,947.84 : x - Step 2: Convert to fraction form
388,192.32/582,295.68 = 121,947.84/x - Step 3: Cross multiply
388,192.32x = 582,295.68 × 121,947.84 - Step 4: Simplify right side
388,192.32x = 71,009,700,417.33 - Step 5: Solve for x
x = 71,009,700,417.33/388,192.32 - Step 6: Final answer
x = 182,924.02
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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.