Finding the Fourth Proportional to 338,135.51, 507,120.95 and 113,437.67
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Solution
The fourth proportional to 338,135.51, 507,120.95 and 113,437.67 is: 170,128.88
Step by Step Solution
- Step 1: Write the proportion equation
338,135.51 : 507,120.95 = 113,437.67 : x - Step 2: Convert to fraction form
338,135.51/507,120.95 = 113,437.67/x - Step 3: Cross multiply
338,135.51x = 507,120.95 × 113,437.67 - Step 4: Simplify right side
338,135.51x = 57,526,616,724.18 - Step 5: Solve for x
x = 57,526,616,724.18/338,135.51 - Step 6: Final answer
x = 170,128.88
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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.