Finding the Fourth Proportional to 377,780.23, 521,346.06 and 205,707.62
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Solution
The fourth proportional to 377,780.23, 521,346.06 and 205,707.62 is: 283,881.60
Step by Step Solution
- Step 1: Write the proportion equation
377,780.23 : 521,346.06 = 205,707.62 : x - Step 2: Convert to fraction form
377,780.23/521,346.06 = 205,707.62/x - Step 3: Cross multiply
377,780.23x = 521,346.06 × 205,707.62 - Step 4: Simplify right side
377,780.23x = 107,244,853,563.71 - Step 5: Solve for x
x = 107,244,853,563.71/377,780.23 - Step 6: Final answer
x = 283,881.60
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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.