Finding the Fourth Proportional to 188,973.35, 260,783.58 and 102,932.07
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Solution
The fourth proportional to 188,973.35, 260,783.58 and 102,932.07 is: 142,046.45
Step by Step Solution
- Step 1: Write the proportion equation
188,973.35 : 260,783.58 = 102,932.07 : x - Step 2: Convert to fraction form
188,973.35/260,783.58 = 102,932.07/x - Step 3: Cross multiply
188,973.35x = 260,783.58 × 102,932.07 - Step 4: Simplify right side
188,973.35x = 26,842,993,711.41 - Step 5: Solve for x
x = 26,842,993,711.41/188,973.35 - Step 6: Final answer
x = 142,046.45
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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.