Finding the Fourth Proportional to 223,125.17, 307,903.60 and 121,146.68
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Solution
The fourth proportional to 223,125.17, 307,903.60 and 121,146.68 is: 167,177.46
Step by Step Solution
- Step 1: Write the proportion equation
223,125.17 : 307,903.60 = 121,146.68 : x - Step 2: Convert to fraction form
223,125.17/307,903.60 = 121,146.68/x - Step 3: Cross multiply
223,125.17x = 307,903.60 × 121,146.68 - Step 4: Simplify right side
223,125.17x = 37,301,499,366.94 - Step 5: Solve for x
x = 37,301,499,366.94/223,125.17 - Step 6: Final answer
x = 167,177.46
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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.