Finding the Fourth Proportional to 312,586.24, 468,944.16 and 125,612.32
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Solution
The fourth proportional to 312,586.24, 468,944.16 and 125,612.32 is: 188,444.52
Step by Step Solution
- Step 1: Write the proportion equation
312,586.24 : 468,944.16 = 125,612.32 : x - Step 2: Convert to fraction form
312,586.24/468,944.16 = 125,612.32/x - Step 3: Cross multiply
312,586.24x = 468,944.16 × 125,612.32 - Step 4: Simplify right side
312,586.24x = 58,905,163,888.05 - Step 5: Solve for x
x = 58,905,163,888.05/312,586.24 - Step 6: Final answer
x = 188,444.52
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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.