Finding the Fourth Proportional to 340,134.29, 469,389.58 and 187,190.09
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Solution
The fourth proportional to 340,134.29, 469,389.58 and 187,190.09 is: 258,324.67
Step by Step Solution
- Step 1: Write the proportion equation
340,134.29 : 469,389.58 = 187,190.09 : x - Step 2: Convert to fraction form
340,134.29/469,389.58 = 187,190.09/x - Step 3: Cross multiply
340,134.29x = 469,389.58 × 187,190.09 - Step 4: Simplify right side
340,134.29x = 87,865,077,723.49 - Step 5: Solve for x
x = 87,865,077,723.49/340,134.29 - Step 6: Final answer
x = 258,324.67
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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.