Finding the Fourth Proportional to 453,432.99, 679,115.52 and 216,942.96
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Solution
The fourth proportional to 453,432.99, 679,115.52 and 216,942.96 is: 324,919.74
Step by Step Solution
- Step 1: Write the proportion equation
453,432.99 : 679,115.52 = 216,942.96 : x - Step 2: Convert to fraction form
453,432.99/679,115.52 = 216,942.96/x - Step 3: Cross multiply
453,432.99x = 679,115.52 × 216,942.96 - Step 4: Simplify right side
453,432.99x = 147,329,329,207.25 - Step 5: Solve for x
x = 147,329,329,207.25/453,432.99 - Step 6: Final answer
x = 324,919.74
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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.