Finding the Fourth Proportional to 486,477.74, 730,048.84 and 170,934.68
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Solution
The fourth proportional to 486,477.74, 730,048.84 and 170,934.68 is: 256,518.76
Step by Step Solution
- Step 1: Write the proportion equation
486,477.74 : 730,048.84 = 170,934.68 : x - Step 2: Convert to fraction form
486,477.74/730,048.84 = 170,934.68/x - Step 3: Cross multiply
486,477.74x = 730,048.84 × 170,934.68 - Step 4: Simplify right side
486,477.74x = 124,790,664,849.77 - Step 5: Solve for x
x = 124,790,664,849.77/486,477.74 - Step 6: Final answer
x = 256,518.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.