Finding the Fourth Proportional to 223,135.56, 307,927.58 and 121,161.02
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Solution
The fourth proportional to 223,135.56, 307,927.58 and 121,161.02 is: 167,202.47
Step by Step Solution
- Step 1: Write the proportion equation
223,135.56 : 307,927.58 = 121,161.02 : x - Step 2: Convert to fraction form
223,135.56/307,927.58 = 121,161.02/x - Step 3: Cross multiply
223,135.56x = 307,927.58 × 121,161.02 - Step 4: Simplify right side
223,135.56x = 37,308,817,533.49 - Step 5: Solve for x
x = 37,308,817,533.49/223,135.56 - Step 6: Final answer
x = 167,202.47
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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.