Finding the Fourth Proportional to 169,921.44, 234,482.58 and 93,439.08
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Solution
The fourth proportional to 169,921.44, 234,482.58 and 93,439.08 is: 128,940.98
Step by Step Solution
- Step 1: Write the proportion equation
169,921.44 : 234,482.58 = 93,439.08 : x - Step 2: Convert to fraction form
169,921.44/234,482.58 = 93,439.08/x - Step 3: Cross multiply
169,921.44x = 234,482.58 × 93,439.08 - Step 4: Simplify right side
169,921.44x = 21,909,836,551.23 - Step 5: Solve for x
x = 21,909,836,551.23/169,921.44 - Step 6: Final answer
x = 128,940.98
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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.