Finding the Fourth Proportional to 225,860.68, 338,901.18 and 92,780.92
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Solution
The fourth proportional to 225,860.68, 338,901.18 and 92,780.92 is: 139,216.63
Step by Step Solution
- Step 1: Write the proportion equation
225,860.68 : 338,901.18 = 92,780.92 : x - Step 2: Convert to fraction form
225,860.68/338,901.18 = 92,780.92/x - Step 3: Cross multiply
225,860.68x = 338,901.18 × 92,780.92 - Step 4: Simplify right side
225,860.68x = 31,443,563,269.49 - Step 5: Solve for x
x = 31,443,563,269.49/225,860.68 - Step 6: Final answer
x = 139,216.63
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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.