Finding the Fourth Proportional to 552,217.38, 762,049.93 and 307,201.02
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Solution
The fourth proportional to 552,217.38, 762,049.93 and 307,201.02 is: 423,931.81
Step by Step Solution
- Step 1: Write the proportion equation
552,217.38 : 762,049.93 = 307,201.02 : x - Step 2: Convert to fraction form
552,217.38/762,049.93 = 307,201.02/x - Step 3: Cross multiply
552,217.38x = 762,049.93 × 307,201.02 - Step 4: Simplify right side
552,217.38x = 234,102,515,786.93 - Step 5: Solve for x
x = 234,102,515,786.93/552,217.38 - Step 6: Final answer
x = 423,931.81
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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.