Finding the Fourth Proportional to 178,178.05, 245,885.79 and 97,608.49
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Solution
The fourth proportional to 178,178.05, 245,885.79 and 97,608.49 is: 134,699.76
Step by Step Solution
- Step 1: Write the proportion equation
178,178.05 : 245,885.79 = 97,608.49 : x - Step 2: Convert to fraction form
178,178.05/245,885.79 = 97,608.49/x - Step 3: Cross multiply
178,178.05x = 245,885.79 × 97,608.49 - Step 4: Simplify right side
178,178.05x = 24,000,540,674.36 - Step 5: Solve for x
x = 24,000,540,674.36/178,178.05 - Step 6: Final answer
x = 134,699.76
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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.