Finding the Fourth Proportional to 250,363.49, 345,501.15 and 135,644.99
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Solution
The fourth proportional to 250,363.49, 345,501.15 and 135,644.99 is: 187,189.82
Step by Step Solution
- Step 1: Write the proportion equation
250,363.49 : 345,501.15 = 135,644.99 : x - Step 2: Convert to fraction form
250,363.49/345,501.15 = 135,644.99/x - Step 3: Cross multiply
250,363.49x = 345,501.15 × 135,644.99 - Step 4: Simplify right side
250,363.49x = 46,865,497,631.01 - Step 5: Solve for x
x = 46,865,497,631.01/250,363.49 - Step 6: Final answer
x = 187,189.82
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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.