Finding the Fourth Proportional to 323,037.18, 445,783.44 and 177,841.80
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Solution
The fourth proportional to 323,037.18, 445,783.44 and 177,841.80 is: 245,417.35
Step by Step Solution
- Step 1: Write the proportion equation
323,037.18 : 445,783.44 = 177,841.80 : x - Step 2: Convert to fraction form
323,037.18/445,783.44 = 177,841.80/x - Step 3: Cross multiply
323,037.18x = 445,783.44 × 177,841.80 - Step 4: Simplify right side
323,037.18x = 79,278,929,379.79 - Step 5: Solve for x
x = 79,278,929,379.79/323,037.18 - Step 6: Final answer
x = 245,417.35
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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.