Finding the Fourth Proportional to 338,502.22, 507,740.98 and 136,160.98
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Solution
The fourth proportional to 338,502.22, 507,740.98 and 136,160.98 is: 204,236.50
Step by Step Solution
- Step 1: Write the proportion equation
338,502.22 : 507,740.98 = 136,160.98 : x - Step 2: Convert to fraction form
338,502.22/507,740.98 = 136,160.98/x - Step 3: Cross multiply
338,502.22x = 507,740.98 × 136,160.98 - Step 4: Simplify right side
338,502.22x = 69,134,509,422.96 - Step 5: Solve for x
x = 69,134,509,422.96/338,502.22 - Step 6: Final answer
x = 204,236.50
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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.