Finding the Fourth Proportional to 260,637.12, 391,023.12 and 73,648.62
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Solution
The fourth proportional to 260,637.12, 391,023.12 and 73,648.62 is: 110,491.99
Step by Step Solution
- Step 1: Write the proportion equation
260,637.12 : 391,023.12 = 73,648.62 : x - Step 2: Convert to fraction form
260,637.12/391,023.12 = 73,648.62/x - Step 3: Cross multiply
260,637.12x = 391,023.12 × 73,648.62 - Step 4: Simplify right side
260,637.12x = 28,798,313,176.09 - Step 5: Solve for x
x = 28,798,313,176.09/260,637.12 - Step 6: Final answer
x = 110,491.99
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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.