Finding the Fourth Proportional to 465,000.19, 641,678.41 and 258,281.99
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Solution
The fourth proportional to 465,000.19, 641,678.41 and 258,281.99 is: 356,417.00
Step by Step Solution
- Step 1: Write the proportion equation
465,000.19 : 641,678.41 = 258,281.99 : x - Step 2: Convert to fraction form
465,000.19/641,678.41 = 258,281.99/x - Step 3: Cross multiply
465,000.19x = 641,678.41 × 258,281.99 - Step 4: Simplify right side
465,000.19x = 165,733,972,486.85 - Step 5: Solve for x
x = 165,733,972,486.85/465,000.19 - Step 6: Final answer
x = 356,417.00
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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.