Finding the Fourth Proportional to 400,595.12, 552,834.31 and 219,306.99
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Solution
The fourth proportional to 400,595.12, 552,834.31 and 219,306.99 is: 302,650.79
Step by Step Solution
- Step 1: Write the proportion equation
400,595.12 : 552,834.31 = 219,306.99 : x - Step 2: Convert to fraction form
400,595.12/552,834.31 = 219,306.99/x - Step 3: Cross multiply
400,595.12x = 552,834.31 × 219,306.99 - Step 4: Simplify right side
400,595.12x = 121,240,428,494.83 - Step 5: Solve for x
x = 121,240,428,494.83/400,595.12 - Step 6: Final answer
x = 302,650.79
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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.