Finding the Fourth Proportional to 254,987.36, 351,877.56 and 141,807.68
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Solution
The fourth proportional to 254,987.36, 351,877.56 and 141,807.68 is: 195,691.82
Step by Step Solution
- Step 1: Write the proportion equation
254,987.36 : 351,877.56 = 141,807.68 : x - Step 2: Convert to fraction form
254,987.36/351,877.56 = 141,807.68/x - Step 3: Cross multiply
254,987.36x = 351,877.56 × 141,807.68 - Step 4: Simplify right side
254,987.36x = 49,898,940,427.66 - Step 5: Solve for x
x = 49,898,940,427.66/254,987.36 - Step 6: Final answer
x = 195,691.82
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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.