Finding the Fourth Proportional to 286,801.20, 430,201.80 and 174,826.80
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Solution
The fourth proportional to 286,801.20, 430,201.80 and 174,826.80 is: 262,240.20
Step by Step Solution
- Step 1: Write the proportion equation
286,801.20 : 430,201.80 = 174,826.80 : x - Step 2: Convert to fraction form
286,801.20/430,201.80 = 174,826.80/x - Step 3: Cross multiply
286,801.20x = 430,201.80 × 174,826.80 - Step 4: Simplify right side
286,801.20x = 75,210,804,048.24 - Step 5: Solve for x
x = 75,210,804,048.24/286,801.20 - Step 6: Final answer
x = 262,240.20
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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.