Finding the Fourth Proportional to 283,041.11, 390,652.56 and 162,263.49
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Solution
The fourth proportional to 283,041.11, 390,652.56 and 162,263.49 is: 223,955.62
Step by Step Solution
- Step 1: Write the proportion equation
283,041.11 : 390,652.56 = 162,263.49 : x - Step 2: Convert to fraction form
283,041.11/390,652.56 = 162,263.49/x - Step 3: Cross multiply
283,041.11x = 390,652.56 × 162,263.49 - Step 4: Simplify right side
283,041.11x = 63,388,647,763.03 - Step 5: Solve for x
x = 63,388,647,763.03/283,041.11 - Step 6: Final answer
x = 223,955.62
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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.