Finding the Fourth Proportional to 603,568.84, 905,349.72 and 154,289.08
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Solution
The fourth proportional to 603,568.84, 905,349.72 and 154,289.08 is: 231,432.72
Step by Step Solution
- Step 1: Write the proportion equation
603,568.84 : 905,349.72 = 154,289.08 : x - Step 2: Convert to fraction form
603,568.84/905,349.72 = 154,289.08/x - Step 3: Cross multiply
603,568.84x = 905,349.72 × 154,289.08 - Step 4: Simplify right side
603,568.84x = 139,685,575,377.06 - Step 5: Solve for x
x = 139,685,575,377.06/603,568.84 - Step 6: Final answer
x = 231,432.72
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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.