Finding the Fourth Proportional to 510,029.10, 765,044.19 and 190,176.09
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Solution
The fourth proportional to 510,029.10, 765,044.19 and 190,176.09 is: 285,264.33
Step by Step Solution
- Step 1: Write the proportion equation
510,029.10 : 765,044.19 = 190,176.09 : x - Step 2: Convert to fraction form
510,029.10/765,044.19 = 190,176.09/x - Step 3: Cross multiply
510,029.10x = 765,044.19 × 190,176.09 - Step 4: Simplify right side
510,029.10x = 145,493,112,731.42 - Step 5: Solve for x
x = 145,493,112,731.42/510,029.10 - Step 6: Final answer
x = 285,264.33
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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.