Finding the Fourth Proportional to 317,228.60, 475,907.70 and 106,887.80
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Solution
The fourth proportional to 317,228.60, 475,907.70 and 106,887.80 is: 160,353.53
Step by Step Solution
- Step 1: Write the proportion equation
317,228.60 : 475,907.70 = 106,887.80 : x - Step 2: Convert to fraction form
317,228.60/475,907.70 = 106,887.80/x - Step 3: Cross multiply
317,228.60x = 475,907.70 × 106,887.80 - Step 4: Simplify right side
317,228.60x = 50,868,727,056.06 - Step 5: Solve for x
x = 50,868,727,056.06/317,228.60 - Step 6: Final answer
x = 160,353.53
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1.5x scale
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.