Finding the Fourth Proportional to 854,444.70, 1,281,739.95 and 223,357.50
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Solution
The fourth proportional to 854,444.70, 1,281,739.95 and 223,357.50 is: 335,055.31
Step by Step Solution
- Step 1: Write the proportion equation
854,444.70 : 1,281,739.95 = 223,357.50 : x - Step 2: Convert to fraction form
854,444.70/1,281,739.95 = 223,357.50/x - Step 3: Cross multiply
854,444.70x = 1,281,739.95 × 223,357.50 - Step 4: Simplify right side
854,444.70x = 286,286,230,882.13 - Step 5: Solve for x
x = 286,286,230,882.13/854,444.70 - Step 6: Final answer
x = 335,055.31
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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.