Finding the Fourth Proportional to 299,068.56, 412,711.68 and 171,745.08
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Solution
The fourth proportional to 299,068.56, 412,711.68 and 171,745.08 is: 237,006.53
Step by Step Solution
- Step 1: Write the proportion equation
299,068.56 : 412,711.68 = 171,745.08 : x - Step 2: Convert to fraction form
299,068.56/412,711.68 = 171,745.08/x - Step 3: Cross multiply
299,068.56x = 412,711.68 × 171,745.08 - Step 4: Simplify right side
299,068.56x = 70,881,200,498.53 - Step 5: Solve for x
x = 70,881,200,498.53/299,068.56 - Step 6: Final answer
x = 237,006.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.