Finding the Fourth Proportional to 114,470.28, 157,972.21 and 69,156.38
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Solution
The fourth proportional to 114,470.28, 157,972.21 and 69,156.38 is: 95,437.75
Step by Step Solution
- Step 1: Write the proportion equation
114,470.28 : 157,972.21 = 69,156.38 : x - Step 2: Convert to fraction form
114,470.28/157,972.21 = 69,156.38/x - Step 3: Cross multiply
114,470.28x = 157,972.21 × 69,156.38 - Step 4: Simplify right side
114,470.28x = 10,924,786,406.24 - Step 5: Solve for x
x = 10,924,786,406.24/114,470.28 - Step 6: Final answer
x = 95,437.75
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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.