Finding the Fourth Proportional to 297,087.48, 409,973.04 and 169,763.09
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Solution
The fourth proportional to 297,087.48, 409,973.04 and 169,763.09 is: 234,268.67
Step by Step Solution
- Step 1: Write the proportion equation
297,087.48 : 409,973.04 = 169,763.09 : x - Step 2: Convert to fraction form
297,087.48/409,973.04 = 169,763.09/x - Step 3: Cross multiply
297,087.48x = 409,973.04 × 169,763.09 - Step 4: Simplify right side
297,087.48x = 69,598,288,037.23 - Step 5: Solve for x
x = 69,598,288,037.23/297,087.48 - Step 6: Final answer
x = 234,268.67
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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.