Finding the Fourth Proportional to 146,981.13, 202,828.08 and 86,554.32
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Solution
The fourth proportional to 146,981.13, 202,828.08 and 86,554.32 is: 119,441.50
Step by Step Solution
- Step 1: Write the proportion equation
146,981.13 : 202,828.08 = 86,554.32 : x - Step 2: Convert to fraction form
146,981.13/202,828.08 = 86,554.32/x - Step 3: Cross multiply
146,981.13x = 202,828.08 × 86,554.32 - Step 4: Simplify right side
146,981.13x = 17,555,646,541.31 - Step 5: Solve for x
x = 17,555,646,541.31/146,981.13 - Step 6: Final answer
x = 119,441.50
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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.