Finding the Fourth Proportional to 251,579.56, 347,186.10 and 136,864.66
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Solution
The fourth proportional to 251,579.56, 347,186.10 and 136,864.66 is: 188,876.66
Step by Step Solution
- Step 1: Write the proportion equation
251,579.56 : 347,186.10 = 136,864.66 : x - Step 2: Convert to fraction form
251,579.56/347,186.10 = 136,864.66/x - Step 3: Cross multiply
251,579.56x = 347,186.10 × 136,864.66 - Step 4: Simplify right side
251,579.56x = 47,517,507,533.23 - Step 5: Solve for x
x = 47,517,507,533.23/251,579.56 - Step 6: Final answer
x = 188,876.66
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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.