Finding the Fourth Proportional to 338,827.76, 508,135.58 and 122,659.21
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Solution
The fourth proportional to 338,827.76, 508,135.58 and 122,659.21 is: 183,950.42
Step by Step Solution
- Step 1: Write the proportion equation
338,827.76 : 508,135.58 = 122,659.21 : x - Step 2: Convert to fraction form
338,827.76/508,135.58 = 122,659.21/x - Step 3: Cross multiply
338,827.76x = 508,135.58 × 122,659.21 - Step 4: Simplify right side
338,827.76x = 62,327,509,297.54 - Step 5: Solve for x
x = 62,327,509,297.54/338,827.76 - Step 6: Final answer
x = 183,950.42
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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.