Finding the Fourth Proportional to 430,825.20, 646,237.80 and 244,201.20
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Solution
The fourth proportional to 430,825.20, 646,237.80 and 244,201.20 is: 366,301.80
Step by Step Solution
- Step 1: Write the proportion equation
430,825.20 : 646,237.80 = 244,201.20 : x - Step 2: Convert to fraction form
430,825.20/646,237.80 = 244,201.20/x - Step 3: Cross multiply
430,825.20x = 646,237.80 × 244,201.20 - Step 4: Simplify right side
430,825.20x = 157,812,046,245.36 - Step 5: Solve for x
x = 157,812,046,245.36/430,825.20 - Step 6: Final answer
x = 366,301.80
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1.5x scale
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.