Finding the Fourth Proportional to 328,164.20, 492,246.30 and 292,734.80
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Solution
The fourth proportional to 328,164.20, 492,246.30 and 292,734.80 is: 439,102.20
Step by Step Solution
- Step 1: Write the proportion equation
328,164.20 : 492,246.30 = 292,734.80 : x - Step 2: Convert to fraction form
328,164.20/492,246.30 = 292,734.80/x - Step 3: Cross multiply
328,164.20x = 492,246.30 × 292,734.80 - Step 4: Simplify right side
328,164.20x = 144,097,622,181.24 - Step 5: Solve for x
x = 144,097,622,181.24/328,164.20 - Step 6: Final answer
x = 439,102.20
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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.