Finding the Fourth Proportional to 338,432.80, 467,037.12 and 202,472.50
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Solution
The fourth proportional to 338,432.80, 467,037.12 and 202,472.50 is: 279,411.96
Step by Step Solution
- Step 1: Write the proportion equation
338,432.80 : 467,037.12 = 202,472.50 : x - Step 2: Convert to fraction form
338,432.80/467,037.12 = 202,472.50/x - Step 3: Cross multiply
338,432.80x = 467,037.12 × 202,472.50 - Step 4: Simplify right side
338,432.80x = 94,562,173,279.20 - Step 5: Solve for x
x = 94,562,173,279.20/338,432.80 - Step 6: Final answer
x = 279,411.96
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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.