Finding the Fourth Proportional to 326,953.16, 451,248.84 and 272,418.80
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Solution
The fourth proportional to 326,953.16, 451,248.84 and 272,418.80 is: 375,982.50
Step by Step Solution
- Step 1: Write the proportion equation
326,953.16 : 451,248.84 = 272,418.80 : x - Step 2: Convert to fraction form
326,953.16/451,248.84 = 272,418.80/x - Step 3: Cross multiply
326,953.16x = 451,248.84 × 272,418.80 - Step 4: Simplify right side
326,953.16x = 122,928,667,494.19 - Step 5: Solve for x
x = 122,928,667,494.19/326,953.16 - Step 6: Final answer
x = 375,982.50
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1.5x scale
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.