Finding the Fourth Proportional to 283,929.18, 425,990.97 and 126,267.54
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Solution
The fourth proportional to 283,929.18, 425,990.97 and 126,267.54 is: 189,444.54
Step by Step Solution
- Step 1: Write the proportion equation
283,929.18 : 425,990.97 = 126,267.54 : x - Step 2: Convert to fraction form
283,929.18/425,990.97 = 126,267.54/x - Step 3: Cross multiply
283,929.18x = 425,990.97 × 126,267.54 - Step 4: Simplify right side
283,929.18x = 53,788,831,844.11 - Step 5: Solve for x
x = 53,788,831,844.11/283,929.18 - Step 6: Final answer
x = 189,444.54
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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.