Finding the Fourth Proportional to 150,358.87, 207,021.85 and 127,652.95
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Solution
The fourth proportional to 150,358.87, 207,021.85 and 127,652.95 is: 175,759.17
Step by Step Solution
- Step 1: Write the proportion equation
150,358.87 : 207,021.85 = 127,652.95 : x - Step 2: Convert to fraction form
150,358.87/207,021.85 = 127,652.95/x - Step 3: Cross multiply
150,358.87x = 207,021.85 × 127,652.95 - Step 4: Simplify right side
150,358.87x = 26,426,949,866.96 - Step 5: Solve for x
x = 26,426,949,866.96/150,358.87 - Step 6: Final answer
x = 175,759.17
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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.