Finding the Fourth Proportional to 823,341.10, 1,235,074.12 and 254,779.68
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Solution
The fourth proportional to 823,341.10, 1,235,074.12 and 254,779.68 is: 382,188.85
Step by Step Solution
- Step 1: Write the proportion equation
823,341.10 : 1,235,074.12 = 254,779.68 : x - Step 2: Convert to fraction form
823,341.10/1,235,074.12 = 254,779.68/x - Step 3: Cross multiply
823,341.10x = 1,235,074.12 × 254,779.68 - Step 4: Simplify right side
823,341.10x = 314,671,789,069.88 - Step 5: Solve for x
x = 314,671,789,069.88/823,341.10 - Step 6: Final answer
x = 382,188.85
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1.5x scale
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.