Finding the Fourth Proportional to 338,437.46, 507,855.74 and 125,355.05
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Solution
The fourth proportional to 338,437.46, 507,855.74 and 125,355.05 is: 188,106.48
Step by Step Solution
- Step 1: Write the proportion equation
338,437.46 : 507,855.74 = 125,355.05 : x - Step 2: Convert to fraction form
338,437.46/507,855.74 = 125,355.05/x - Step 3: Cross multiply
338,437.46x = 507,855.74 × 125,355.05 - Step 4: Simplify right side
338,437.46x = 63,662,278,514.43 - Step 5: Solve for x
x = 63,662,278,514.43/338,437.46 - Step 6: Final answer
x = 188,106.48
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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.