Finding the Fourth Proportional to 305,496.76, 458,099.70 and 125,554.06
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Solution
The fourth proportional to 305,496.76, 458,099.70 and 125,554.06 is: 188,271.32
Step by Step Solution
- Step 1: Write the proportion equation
305,496.76 : 458,099.70 = 125,554.06 : x - Step 2: Convert to fraction form
305,496.76/458,099.70 = 125,554.06/x - Step 3: Cross multiply
305,496.76x = 458,099.70 × 125,554.06 - Step 4: Simplify right side
305,496.76x = 57,516,277,219.78 - Step 5: Solve for x
x = 57,516,277,219.78/305,496.76 - Step 6: Final answer
x = 188,271.32
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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.