Finding the Fourth Proportional to 250,156.91, 345,216.76 and 135,435.62
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Solution
The fourth proportional to 250,156.91, 345,216.76 and 135,435.62 is: 186,901.28
Step by Step Solution
- Step 1: Write the proportion equation
250,156.91 : 345,216.76 = 135,435.62 : x - Step 2: Convert to fraction form
250,156.91/345,216.76 = 135,435.62/x - Step 3: Cross multiply
250,156.91x = 345,216.76 × 135,435.62 - Step 4: Simplify right side
250,156.91x = 46,754,646,449.44 - Step 5: Solve for x
x = 46,754,646,449.44/250,156.91 - Step 6: Final answer
x = 186,901.28
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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.