Finding the Fourth Proportional to 250,165.56, 345,228.58 and 135,444.18
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Solution
The fourth proportional to 250,165.56, 345,228.58 and 135,444.18 is: 186,913.03
Step by Step Solution
- Step 1: Write the proportion equation
250,165.56 : 345,228.58 = 135,444.18 : x - Step 2: Convert to fraction form
250,165.56/345,228.58 = 135,444.18/x - Step 3: Cross multiply
250,165.56x = 345,228.58 × 135,444.18 - Step 4: Simplify right side
250,165.56x = 46,759,201,930.66 - Step 5: Solve for x
x = 46,759,201,930.66/250,165.56 - Step 6: Final answer
x = 186,913.03
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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.