Finding the Fourth Proportional to 150,246.75, 207,347.36 and 83,178.75
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Solution
The fourth proportional to 150,246.75, 207,347.36 and 83,178.75 is: 114,790.46
Step by Step Solution
- Step 1: Write the proportion equation
150,246.75 : 207,347.36 = 83,178.75 : x - Step 2: Convert to fraction form
150,246.75/207,347.36 = 83,178.75/x - Step 3: Cross multiply
150,246.75x = 207,347.36 × 83,178.75 - Step 4: Simplify right side
150,246.75x = 17,246,893,804.71 - Step 5: Solve for x
x = 17,246,893,804.71/150,246.75 - Step 6: Final answer
x = 114,790.46
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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.