Finding the Fourth Proportional to 641,950.70, 885,881.00 and 355,464.63
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Solution
The fourth proportional to 641,950.70, 885,881.00 and 355,464.63 is: 490,535.12
Step by Step Solution
- Step 1: Write the proportion equation
641,950.70 : 885,881.00 = 355,464.63 : x - Step 2: Convert to fraction form
641,950.70/885,881.00 = 355,464.63/x - Step 3: Cross multiply
641,950.70x = 885,881.00 × 355,464.63 - Step 4: Simplify right side
641,950.70x = 314,899,360,111.71 - Step 5: Solve for x
x = 314,899,360,111.71/641,950.70 - Step 6: Final answer
x = 490,535.12
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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.