Finding the Fourth Proportional to 150,280.62, 207,387.26 and 83,212.62
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Solution
The fourth proportional to 150,280.62, 207,387.26 and 83,212.62 is: 114,833.42
Step by Step Solution
- Step 1: Write the proportion equation
150,280.62 : 207,387.26 = 83,212.62 : x - Step 2: Convert to fraction form
150,280.62/207,387.26 = 83,212.62/x - Step 3: Cross multiply
150,280.62x = 207,387.26 × 83,212.62 - Step 4: Simplify right side
150,280.62x = 17,257,237,259.22 - Step 5: Solve for x
x = 17,257,237,259.22/150,280.62 - Step 6: Final answer
x = 114,833.42
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1.5x scale
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.