Finding the Fourth Proportional to 453,418.99, 625,807.69 and 259,956.68
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Solution
The fourth proportional to 453,418.99, 625,807.69 and 259,956.68 is: 358,791.52
Step by Step Solution
- Step 1: Write the proportion equation
453,418.99 : 625,807.69 = 259,956.68 : x - Step 2: Convert to fraction form
453,418.99/625,807.69 = 259,956.68/x - Step 3: Cross multiply
453,418.99x = 625,807.69 × 259,956.68 - Step 4: Simplify right side
453,418.99x = 162,682,885,631.94 - Step 5: Solve for x
x = 162,682,885,631.94/453,418.99 - Step 6: Final answer
x = 358,791.52
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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.