Finding the Fourth Proportional to 603,829.70, 905,744.55 and 248,725.70
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Solution
The fourth proportional to 603,829.70, 905,744.55 and 248,725.70 is: 373,088.55
Step by Step Solution
- Step 1: Write the proportion equation
603,829.70 : 905,744.55 = 248,725.70 : x - Step 2: Convert to fraction form
603,829.70/905,744.55 = 248,725.70/x - Step 3: Cross multiply
603,829.70x = 905,744.55 × 248,725.70 - Step 4: Simplify right side
603,829.70x = 225,281,947,219.94 - Step 5: Solve for x
x = 225,281,947,219.94/603,829.70 - Step 6: Final answer
x = 373,088.55
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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.