Finding the Fourth Proportional to 74,178.25, 111,284.88 and 24,258.15
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Solution
The fourth proportional to 74,178.25, 111,284.88 and 24,258.15 is: 36,392.95
Step by Step Solution
- Step 1: Write the proportion equation
74,178.25 : 111,284.88 = 24,258.15 : x - Step 2: Convert to fraction form
74,178.25/111,284.88 = 24,258.15/x - Step 3: Cross multiply
74,178.25x = 111,284.88 × 24,258.15 - Step 4: Simplify right side
74,178.25x = 2,699,565,190.48 - Step 5: Solve for x
x = 2,699,565,190.48/74,178.25 - Step 6: Final answer
x = 36,392.95
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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.