Finding the Fourth Proportional to 74,126.08, 111,206.88 and 24,206.32
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Solution
The fourth proportional to 74,126.08, 111,206.88 and 24,206.32 is: 36,315.28
Step by Step Solution
- Step 1: Write the proportion equation
74,126.08 : 111,206.88 = 24,206.32 : x - Step 2: Convert to fraction form
74,126.08/111,206.88 = 24,206.32/x - Step 3: Cross multiply
74,126.08x = 111,206.88 × 24,206.32 - Step 4: Simplify right side
74,126.08x = 2,691,909,323.48 - Step 5: Solve for x
x = 2,691,909,323.48/74,126.08 - Step 6: Final answer
x = 36,315.28
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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.