Finding the Fourth Proportional to 74,840.24, 103,272.18 and 41,304.08
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Solution
The fourth proportional to 74,840.24, 103,272.18 and 41,304.08 is: 56,995.57
Step by Step Solution
- Step 1: Write the proportion equation
74,840.24 : 103,272.18 = 41,304.08 : x - Step 2: Convert to fraction form
74,840.24/103,272.18 = 41,304.08/x - Step 3: Cross multiply
74,840.24x = 103,272.18 × 41,304.08 - Step 4: Simplify right side
74,840.24x = 4,265,562,384.49 - Step 5: Solve for x
x = 4,265,562,384.49/74,840.24 - Step 6: Final answer
x = 56,995.57
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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.