Finding the Fourth Proportional to 458,651.55, 633,238.91 and 297,964.56
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Solution
The fourth proportional to 458,651.55, 633,238.91 and 297,964.56 is: 411,385.84
Step by Step Solution
- Step 1: Write the proportion equation
458,651.55 : 633,238.91 = 297,964.56 : x - Step 2: Convert to fraction form
458,651.55/633,238.91 = 297,964.56/x - Step 3: Cross multiply
458,651.55x = 633,238.91 × 297,964.56 - Step 4: Simplify right side
458,651.55x = 188,682,751,703.21 - Step 5: Solve for x
x = 188,682,751,703.21/458,651.55 - Step 6: Final answer
x = 411,385.84
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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.