Finding the Fourth Proportional to 903,448.18, 1,355,199.60 and 229,529.62
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Solution
The fourth proportional to 903,448.18, 1,355,199.60 and 229,529.62 is: 344,301.37
Step by Step Solution
- Step 1: Write the proportion equation
903,448.18 : 1,355,199.60 = 229,529.62 : x - Step 2: Convert to fraction form
903,448.18/1,355,199.60 = 229,529.62/x - Step 3: Cross multiply
903,448.18x = 1,355,199.60 × 229,529.62 - Step 4: Simplify right side
903,448.18x = 311,058,449,212.15 - Step 5: Solve for x
x = 311,058,449,212.15/903,448.18 - Step 6: Final answer
x = 344,301.37
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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.