Finding the Fourth Proportional to 579,743.30, 869,744.55 and 224,725.70
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Solution
The fourth proportional to 579,743.30, 869,744.55 and 224,725.70 is: 337,138.79
Step by Step Solution
- Step 1: Write the proportion equation
579,743.30 : 869,744.55 = 224,725.70 : x - Step 2: Convert to fraction form
579,743.30/869,744.55 = 224,725.70/x - Step 3: Cross multiply
579,743.30x = 869,744.55 × 224,725.70 - Step 4: Simplify right side
579,743.30x = 195,453,952,819.94 - Step 5: Solve for x
x = 195,453,952,819.94/579,743.30 - Step 6: Final answer
x = 337,138.79
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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.