Finding the Fourth Proportional to 178,913.76, 246,881.16 and 107,296.80
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Solution
The fourth proportional to 178,913.76, 246,881.16 and 107,296.80 is: 148,057.69
Step by Step Solution
- Step 1: Write the proportion equation
178,913.76 : 246,881.16 = 107,296.80 : x - Step 2: Convert to fraction form
178,913.76/246,881.16 = 107,296.80/x - Step 3: Cross multiply
178,913.76x = 246,881.16 × 107,296.80 - Step 4: Simplify right side
178,913.76x = 26,489,558,448.29 - Step 5: Solve for x
x = 26,489,558,448.29/178,913.76 - Step 6: Final answer
x = 148,057.69
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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.