Finding the Fourth Proportional to 223,177.14, 307,983.47 and 121,201.80
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Solution
The fourth proportional to 223,177.14, 307,983.47 and 121,201.80 is: 167,257.95
Step by Step Solution
- Step 1: Write the proportion equation
223,177.14 : 307,983.47 = 121,201.80 : x - Step 2: Convert to fraction form
223,177.14/307,983.47 = 121,201.80/x - Step 3: Cross multiply
223,177.14x = 307,983.47 × 121,201.80 - Step 4: Simplify right side
223,177.14x = 37,328,150,328.24 - Step 5: Solve for x
x = 37,328,150,328.24/223,177.14 - Step 6: Final answer
x = 167,257.95
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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.