Finding the Fourth Proportional to 150,358.94, 207,495.34 and 83,290.94
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Solution
The fourth proportional to 150,358.94, 207,495.34 and 83,290.94 is: 114,941.50
Step by Step Solution
- Step 1: Write the proportion equation
150,358.94 : 207,495.34 = 83,290.94 : x - Step 2: Convert to fraction form
150,358.94/207,495.34 = 83,290.94/x - Step 3: Cross multiply
150,358.94x = 207,495.34 × 83,290.94 - Step 4: Simplify right side
150,358.94x = 17,282,481,497.76 - Step 5: Solve for x
x = 17,282,481,497.76/150,358.94 - Step 6: Final answer
x = 114,941.50
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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.