Finding the Fourth Proportional to 402,709.98, 555,693.75 and 322,108.14
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Solution
The fourth proportional to 402,709.98, 555,693.75 and 322,108.14 is: 444,472.42
Step by Step Solution
- Step 1: Write the proportion equation
402,709.98 : 555,693.75 = 322,108.14 : x - Step 2: Convert to fraction form
402,709.98/555,693.75 = 322,108.14/x - Step 3: Cross multiply
402,709.98x = 555,693.75 × 322,108.14 - Step 4: Simplify right side
402,709.98x = 178,993,480,222.13 - Step 5: Solve for x
x = 178,993,480,222.13/402,709.98 - Step 6: Final answer
x = 444,472.42
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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.