Finding the Fourth Proportional to 349,008.57, 523,395.12 and 132,815.99
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Solution
The fourth proportional to 349,008.57, 523,395.12 and 132,815.99 is: 199,179.18
Step by Step Solution
- Step 1: Write the proportion equation
349,008.57 : 523,395.12 = 132,815.99 : x - Step 2: Convert to fraction form
349,008.57/523,395.12 = 132,815.99/x - Step 3: Cross multiply
349,008.57x = 523,395.12 × 132,815.99 - Step 4: Simplify right side
349,008.57x = 69,515,241,023.97 - Step 5: Solve for x
x = 69,515,241,023.97/349,008.57 - Step 6: Final answer
x = 199,179.18
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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.