Finding the Fourth Proportional to 160,427.75, 221,448.71 and 93,359.75
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Solution
The fourth proportional to 160,427.75, 221,448.71 and 93,359.75 is: 128,870.45
Step by Step Solution
- Step 1: Write the proportion equation
160,427.75 : 221,448.71 = 93,359.75 : x - Step 2: Convert to fraction form
160,427.75/221,448.71 = 93,359.75/x - Step 3: Cross multiply
160,427.75x = 221,448.71 × 93,359.75 - Step 4: Simplify right side
160,427.75x = 20,674,395,736.62 - Step 5: Solve for x
x = 20,674,395,736.62/160,427.75 - Step 6: Final answer
x = 128,870.45
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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.