Finding the Fourth Proportional to 323,794.11, 446,959.05 and 243,454.98
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Solution
The fourth proportional to 323,794.11, 446,959.05 and 243,454.98 is: 336,060.49
Step by Step Solution
- Step 1: Write the proportion equation
323,794.11 : 446,959.05 = 243,454.98 : x - Step 2: Convert to fraction form
323,794.11/446,959.05 = 243,454.98/x - Step 3: Cross multiply
323,794.11x = 446,959.05 × 243,454.98 - Step 4: Simplify right side
323,794.11x = 108,814,406,578.57 - Step 5: Solve for x
x = 108,814,406,578.57/323,794.11 - Step 6: Final answer
x = 336,060.49
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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.