Finding the Fourth Proportional to 451,876.44, 623,595.84 and 247,923.66
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Solution
The fourth proportional to 451,876.44, 623,595.84 and 247,923.66 is: 342,138.14
Step by Step Solution
- Step 1: Write the proportion equation
451,876.44 : 623,595.84 = 247,923.66 : x - Step 2: Convert to fraction form
451,876.44/623,595.84 = 247,923.66/x - Step 3: Cross multiply
451,876.44x = 623,595.84 × 247,923.66 - Step 4: Simplify right side
451,876.44x = 154,604,163,013.57 - Step 5: Solve for x
x = 154,604,163,013.57/451,876.44 - Step 6: Final answer
x = 342,138.14
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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.