Finding the Fourth Proportional to 74,178.36, 111,285.05 and 24,258.26
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Solution
The fourth proportional to 74,178.36, 111,285.05 and 24,258.26 is: 36,393.12
Step by Step Solution
- Step 1: Write the proportion equation
74,178.36 : 111,285.05 = 24,258.26 : x - Step 2: Convert to fraction form
74,178.36/111,285.05 = 24,258.26/x - Step 3: Cross multiply
74,178.36x = 111,285.05 × 24,258.26 - Step 4: Simplify right side
74,178.36x = 2,699,581,833.93 - Step 5: Solve for x
x = 2,699,581,833.93/74,178.36 - Step 6: Final answer
x = 36,393.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.