Finding the Fourth Proportional to 297,730.80, 410,868.99 and 161,765.28
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Solution
The fourth proportional to 297,730.80, 410,868.99 and 161,765.28 is: 223,236.35
Step by Step Solution
- Step 1: Write the proportion equation
297,730.80 : 410,868.99 = 161,765.28 : x - Step 2: Convert to fraction form
297,730.80/410,868.99 = 161,765.28/x - Step 3: Cross multiply
297,730.80x = 410,868.99 × 161,765.28 - Step 4: Simplify right side
297,730.80x = 66,464,337,210.67 - Step 5: Solve for x
x = 66,464,337,210.67/297,730.80 - Step 6: Final answer
x = 223,236.35
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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.