Finding the Fourth Proportional to 283,507.20, 425,455.20 and 125,848.80
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Solution
The fourth proportional to 283,507.20, 425,455.20 and 125,848.80 is: 188,859.49
Step by Step Solution
- Step 1: Write the proportion equation
283,507.20 : 425,455.20 = 125,848.80 : x - Step 2: Convert to fraction form
283,507.20/425,455.20 = 125,848.80/x - Step 3: Cross multiply
283,507.20x = 425,455.20 × 125,848.80 - Step 4: Simplify right side
283,507.20x = 53,543,026,373.76 - Step 5: Solve for x
x = 53,543,026,373.76/283,507.20 - Step 6: Final answer
x = 188,859.49
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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.