Finding the Fourth Proportional to 510,042.97, 765,036.76 and 155,029.31
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Solution
The fourth proportional to 510,042.97, 765,036.76 and 155,029.31 is: 232,535.55
Step by Step Solution
- Step 1: Write the proportion equation
510,042.97 : 765,036.76 = 155,029.31 : x - Step 2: Convert to fraction form
510,042.97/765,036.76 = 155,029.31/x - Step 3: Cross multiply
510,042.97x = 765,036.76 × 155,029.31 - Step 4: Simplify right side
510,042.97x = 118,603,121,027.44 - Step 5: Solve for x
x = 118,603,121,027.44/510,042.97 - Step 6: Final answer
x = 232,535.55
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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.