Finding the Fourth Proportional to 223,470.68, 308,395.61 and 121,503.02
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Solution
The fourth proportional to 223,470.68, 308,395.61 and 121,503.02 is: 167,677.46
Step by Step Solution
- Step 1: Write the proportion equation
223,470.68 : 308,395.61 = 121,503.02 : x - Step 2: Convert to fraction form
223,470.68/308,395.61 = 121,503.02/x - Step 3: Cross multiply
223,470.68x = 308,395.61 × 121,503.02 - Step 4: Simplify right side
223,470.68x = 37,470,995,820.25 - Step 5: Solve for x
x = 37,470,995,820.25/223,470.68 - Step 6: Final answer
x = 167,677.46
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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.