Finding the Fourth Proportional to 348,693.36, 523,040.07 and 138,331.32
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Solution
The fourth proportional to 348,693.36, 523,040.07 and 138,331.32 is: 207,496.99
Step by Step Solution
- Step 1: Write the proportion equation
348,693.36 : 523,040.07 = 138,331.32 : x - Step 2: Convert to fraction form
348,693.36/523,040.07 = 138,331.32/x - Step 3: Cross multiply
348,693.36x = 523,040.07 × 138,331.32 - Step 4: Simplify right side
348,693.36x = 72,352,823,295.99 - Step 5: Solve for x
x = 72,352,823,295.99/348,693.36 - Step 6: Final answer
x = 207,496.99
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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.