Finding the Fourth Proportional to 402,325.60, 603,949.20 and 236,207.20
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Solution
The fourth proportional to 402,325.60, 603,949.20 and 236,207.20 is: 354,581.34
Step by Step Solution
- Step 1: Write the proportion equation
402,325.60 : 603,949.20 = 236,207.20 : x - Step 2: Convert to fraction form
402,325.60/603,949.20 = 236,207.20/x - Step 3: Cross multiply
402,325.60x = 603,949.20 × 236,207.20 - Step 4: Simplify right side
402,325.60x = 142,657,149,474.24 - Step 5: Solve for x
x = 142,657,149,474.24/402,325.60 - Step 6: Final answer
x = 354,581.34
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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.