Finding the Fourth Proportional to 124,848.14, 187,214.49 and 49,905.05
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Solution
The fourth proportional to 124,848.14, 187,214.49 and 49,905.05 is: 74,834.50
Step by Step Solution
- Step 1: Write the proportion equation
124,848.14 : 187,214.49 = 49,905.05 : x - Step 2: Convert to fraction form
124,848.14/187,214.49 = 49,905.05/x - Step 3: Cross multiply
124,848.14x = 187,214.49 × 49,905.05 - Step 4: Simplify right side
124,848.14x = 9,342,947,548.10 - Step 5: Solve for x
x = 9,342,947,548.10/124,848.14 - Step 6: Final answer
x = 74,834.50
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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.