Finding the Fourth Proportional to 338,560.65, 507,907.36 and 125,330.21
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Solution
The fourth proportional to 338,560.65, 507,907.36 and 125,330.21 is: 188,019.88
Step by Step Solution
- Step 1: Write the proportion equation
338,560.65 : 507,907.36 = 125,330.21 : x - Step 2: Convert to fraction form
338,560.65/507,907.36 = 125,330.21/x - Step 3: Cross multiply
338,560.65x = 507,907.36 × 125,330.21 - Step 4: Simplify right side
338,560.65x = 63,656,133,236.48 - Step 5: Solve for x
x = 63,656,133,236.48/338,560.65 - Step 6: Final answer
x = 188,019.88
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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.