Finding the Fourth Proportional to 470,725.74, 649,605.87 and 255,866.31
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Solution
The fourth proportional to 470,725.74, 649,605.87 and 255,866.31 is: 353,097.87
Step by Step Solution
- Step 1: Write the proportion equation
470,725.74 : 649,605.87 = 255,866.31 : x - Step 2: Convert to fraction form
470,725.74/649,605.87 = 255,866.31/x - Step 3: Cross multiply
470,725.74x = 649,605.87 × 255,866.31 - Step 4: Simplify right side
470,725.74x = 166,212,256,911.24 - Step 5: Solve for x
x = 166,212,256,911.24/470,725.74 - Step 6: Final answer
x = 353,097.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.