Finding the Fourth Proportional to 190,828.80, 286,372.80 and 106,588.80
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Solution
The fourth proportional to 190,828.80, 286,372.80 and 106,588.80 is: 159,955.59
Step by Step Solution
- Step 1: Write the proportion equation
190,828.80 : 286,372.80 = 106,588.80 : x - Step 2: Convert to fraction form
190,828.80/286,372.80 = 106,588.80/x - Step 3: Cross multiply
190,828.80x = 286,372.80 × 106,588.80 - Step 4: Simplify right side
190,828.80x = 30,524,133,104.64 - Step 5: Solve for x
x = 30,524,133,104.64/190,828.80 - Step 6: Final answer
x = 159,955.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.