Finding the Fourth Proportional to 642,303.68, 886,473.42 and 370,318.33
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Solution
The fourth proportional to 642,303.68, 886,473.42 and 370,318.33 is: 511,093.69
Step by Step Solution
- Step 1: Write the proportion equation
642,303.68 : 886,473.42 = 370,318.33 : x - Step 2: Convert to fraction form
642,303.68/886,473.42 = 370,318.33/x - Step 3: Cross multiply
642,303.68x = 886,473.42 × 370,318.33 - Step 4: Simplify right side
642,303.68x = 328,277,356,203.19 - Step 5: Solve for x
x = 328,277,356,203.19/642,303.68 - Step 6: Final answer
x = 511,093.69
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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.