Finding the Fourth Proportional to 251,006.13, 375,568.11 and 149,432.65
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Solution
The fourth proportional to 251,006.13, 375,568.11 and 149,432.65 is: 223,588.71
Step by Step Solution
- Step 1: Write the proportion equation
251,006.13 : 375,568.11 = 149,432.65 : x - Step 2: Convert to fraction form
251,006.13/375,568.11 = 149,432.65/x - Step 3: Cross multiply
251,006.13x = 375,568.11 × 149,432.65 - Step 4: Simplify right side
251,006.13x = 56,122,136,993.87 - Step 5: Solve for x
x = 56,122,136,993.87/251,006.13 - Step 6: Final answer
x = 223,588.71
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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.