Finding the Fourth Proportional to 756,681.56, 1,134,775.36 and 251,106.70
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Solution
The fourth proportional to 756,681.56, 1,134,775.36 and 251,106.70 is: 376,578.09
Step by Step Solution
- Step 1: Write the proportion equation
756,681.56 : 1,134,775.36 = 251,106.70 : x - Step 2: Convert to fraction form
756,681.56/1,134,775.36 = 251,106.70/x - Step 3: Cross multiply
756,681.56x = 1,134,775.36 × 251,106.70 - Step 4: Simplify right side
756,681.56x = 284,949,695,890.91 - Step 5: Solve for x
x = 284,949,695,890.91/756,681.56 - Step 6: Final answer
x = 376,578.09
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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.