Finding the Fourth Proportional to 284,754.36, 392,926.38 and 157,412.28
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Solution
The fourth proportional to 284,754.36, 392,926.38 and 157,412.28 is: 217,209.80
Step by Step Solution
- Step 1: Write the proportion equation
284,754.36 : 392,926.38 = 157,412.28 : x - Step 2: Convert to fraction form
284,754.36/392,926.38 = 157,412.28/x - Step 3: Cross multiply
284,754.36x = 392,926.38 × 157,412.28 - Step 4: Simplify right side
284,754.36x = 61,851,437,347.95 - Step 5: Solve for x
x = 61,851,437,347.95/284,754.36 - Step 6: Final answer
x = 217,209.80
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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.