Finding the Fourth Proportional to 74,244.41, 102,456.96 and 40,252.79
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Solution
The fourth proportional to 74,244.41, 102,456.96 and 40,252.79 is: 55,548.67
Step by Step Solution
- Step 1: Write the proportion equation
74,244.41 : 102,456.96 = 40,252.79 : x - Step 2: Convert to fraction form
74,244.41/102,456.96 = 40,252.79/x - Step 3: Cross multiply
74,244.41x = 102,456.96 × 40,252.79 - Step 4: Simplify right side
74,244.41x = 4,124,178,215.90 - Step 5: Solve for x
x = 4,124,178,215.90/74,244.41 - Step 6: Final answer
x = 55,548.67
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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.