Finding the Fourth Proportional to 146,905.32, 202,725.12 and 83,263.68
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Solution
The fourth proportional to 146,905.32, 202,725.12 and 83,263.68 is: 114,901.49
Step by Step Solution
- Step 1: Write the proportion equation
146,905.32 : 202,725.12 = 83,263.68 : x - Step 2: Convert to fraction form
146,905.32/202,725.12 = 83,263.68/x - Step 3: Cross multiply
146,905.32x = 202,725.12 × 83,263.68 - Step 4: Simplify right side
146,905.32x = 16,879,639,519.64 - Step 5: Solve for x
x = 16,879,639,519.64/146,905.32 - Step 6: Final answer
x = 114,901.49
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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.