Finding the Fourth Proportional to 158,202.99, 237,278.03 and 69,432.66
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Solution
The fourth proportional to 158,202.99, 237,278.03 and 69,432.66 is: 104,137.38
Step by Step Solution
- Step 1: Write the proportion equation
158,202.99 : 237,278.03 = 69,432.66 : x - Step 2: Convert to fraction form
158,202.99/237,278.03 = 69,432.66/x - Step 3: Cross multiply
158,202.99x = 237,278.03 × 69,432.66 - Step 4: Simplify right side
158,202.99x = 16,474,844,435.30 - Step 5: Solve for x
x = 16,474,844,435.30/158,202.99 - Step 6: Final answer
x = 104,137.38
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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.