Finding the Fourth Proportional to 392,435.13, 588,740.44 and 143,117.13
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Solution
The fourth proportional to 392,435.13, 588,740.44 and 143,117.13 is: 214,707.69
Step by Step Solution
- Step 1: Write the proportion equation
392,435.13 : 588,740.44 = 143,117.13 : x - Step 2: Convert to fraction form
392,435.13/588,740.44 = 143,117.13/x - Step 3: Cross multiply
392,435.13x = 588,740.44 × 143,117.13 - Step 4: Simplify right side
392,435.13x = 84,258,842,087.74 - Step 5: Solve for x
x = 84,258,842,087.74/392,435.13 - Step 6: Final answer
x = 214,707.69
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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.