Finding the Fourth Proportional to 250,000.28, 344,997.95 and 135,276.41
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Solution
The fourth proportional to 250,000.28, 344,997.95 and 135,276.41 is: 186,680.12
Step by Step Solution
- Step 1: Write the proportion equation
250,000.28 : 344,997.95 = 135,276.41 : x - Step 2: Convert to fraction form
250,000.28/344,997.95 = 135,276.41/x - Step 3: Cross multiply
250,000.28x = 344,997.95 × 135,276.41 - Step 4: Simplify right side
250,000.28x = 46,670,081,731.99 - Step 5: Solve for x
x = 46,670,081,731.99/250,000.28 - Step 6: Final answer
x = 186,680.12
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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.