Finding the Fourth Proportional to 441,417.12, 662,131.79 and 125,873.99
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Solution
The fourth proportional to 441,417.12, 662,131.79 and 125,873.99 is: 188,812.72
Step by Step Solution
- Step 1: Write the proportion equation
441,417.12 : 662,131.79 = 125,873.99 : x - Step 2: Convert to fraction form
441,417.12/662,131.79 = 125,873.99/x - Step 3: Cross multiply
441,417.12x = 662,131.79 × 125,873.99 - Step 4: Simplify right side
441,417.12x = 83,345,166,373.11 - Step 5: Solve for x
x = 83,345,166,373.11/441,417.12 - Step 6: Final answer
x = 188,812.72
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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.