Finding the Fourth Proportional to 338,129.46, 507,451.16 and 125,098.97
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Solution
The fourth proportional to 338,129.46, 507,451.16 and 125,098.97 is: 187,743.52
Step by Step Solution
- Step 1: Write the proportion equation
338,129.46 : 507,451.16 = 125,098.97 : x - Step 2: Convert to fraction form
338,129.46/507,451.16 = 125,098.97/x - Step 3: Cross multiply
338,129.46x = 507,451.16 × 125,098.97 - Step 4: Simplify right side
338,129.46x = 63,481,615,216.80 - Step 5: Solve for x
x = 63,481,615,216.80/338,129.46 - Step 6: Final answer
x = 187,743.52
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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.