Finding the Fourth Proportional to 351,556.28, 527,226.64 and 126,889.28
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Solution
The fourth proportional to 351,556.28, 527,226.64 and 126,889.28 is: 190,295.02
Step by Step Solution
- Step 1: Write the proportion equation
351,556.28 : 527,226.64 = 126,889.28 : x - Step 2: Convert to fraction form
351,556.28/527,226.64 = 126,889.28/x - Step 3: Cross multiply
351,556.28x = 527,226.64 × 126,889.28 - Step 4: Simplify right side
351,556.28x = 66,899,408,746.42 - Step 5: Solve for x
x = 66,899,408,746.42/351,556.28 - Step 6: Final answer
x = 190,295.02
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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.