Finding the Fourth Proportional to 194,258.49, 291,439.58 and 69,612.09
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Solution
The fourth proportional to 194,258.49, 291,439.58 and 69,612.09 is: 104,436.71
Step by Step Solution
- Step 1: Write the proportion equation
194,258.49 : 291,439.58 = 69,612.09 : x - Step 2: Convert to fraction form
194,258.49/291,439.58 = 69,612.09/x - Step 3: Cross multiply
194,258.49x = 291,439.58 × 69,612.09 - Step 4: Simplify right side
194,258.49x = 20,287,717,924.46 - Step 5: Solve for x
x = 20,287,717,924.46/194,258.49 - Step 6: Final answer
x = 104,436.71
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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.