Finding the Fourth Proportional to 92,263.30, 138,438.68 and 54,897.19
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Solution
The fourth proportional to 92,263.30, 138,438.68 and 54,897.19 is: 82,371.80
Step by Step Solution
- Step 1: Write the proportion equation
92,263.30 : 138,438.68 = 54,897.19 : x - Step 2: Convert to fraction form
92,263.30/138,438.68 = 54,897.19/x - Step 3: Cross multiply
92,263.30x = 138,438.68 × 54,897.19 - Step 4: Simplify right side
92,263.30x = 7,599,894,519.31 - Step 5: Solve for x
x = 7,599,894,519.31/92,263.30 - Step 6: Final answer
x = 82,371.80
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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.