Finding the Fourth Proportional to 177,739.99, 245,284.10 and 106,126.27
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Solution
The fourth proportional to 177,739.99, 245,284.10 and 106,126.27 is: 146,455.99
Step by Step Solution
- Step 1: Write the proportion equation
177,739.99 : 245,284.10 = 106,126.27 : x - Step 2: Convert to fraction form
177,739.99/245,284.10 = 106,126.27/x - Step 3: Cross multiply
177,739.99x = 245,284.10 × 106,126.27 - Step 4: Simplify right side
177,739.99x = 26,031,085,877.44 - Step 5: Solve for x
x = 26,031,085,877.44/177,739.99 - Step 6: Final answer
x = 146,455.99
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1.5x scale
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.