Finding the Fourth Proportional to 317,347.40, 475,722.36 and 106,838.28
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Solution
The fourth proportional to 317,347.40, 475,722.36 and 106,838.28 is: 160,156.85
Step by Step Solution
- Step 1: Write the proportion equation
317,347.40 : 475,722.36 = 106,838.28 : x - Step 2: Convert to fraction form
317,347.40/475,722.36 = 106,838.28/x - Step 3: Cross multiply
317,347.40x = 475,722.36 × 106,838.28 - Step 4: Simplify right side
317,347.40x = 50,825,358,699.94 - Step 5: Solve for x
x = 50,825,358,699.94/317,347.40 - Step 6: Final answer
x = 160,156.85
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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.