Finding the Fourth Proportional to 508,839.21, 763,608.69 and 176,415.21
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Solution
The fourth proportional to 508,839.21, 763,608.69 and 176,415.21 is: 264,744.12
Step by Step Solution
- Step 1: Write the proportion equation
508,839.21 : 763,608.69 = 176,415.21 : x - Step 2: Convert to fraction form
508,839.21/763,608.69 = 176,415.21/x - Step 3: Cross multiply
508,839.21x = 763,608.69 × 176,415.21 - Step 4: Simplify right side
508,839.21x = 134,712,187,404.18 - Step 5: Solve for x
x = 134,712,187,404.18/508,839.21 - Step 6: Final answer
x = 264,744.12
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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.