Finding the Fourth Proportional to 133,489.74, 200,193.26 and 38,726.88
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Solution
The fourth proportional to 133,489.74, 200,193.26 and 38,726.88 is: 58,078.32
Step by Step Solution
- Step 1: Write the proportion equation
133,489.74 : 200,193.26 = 38,726.88 : x - Step 2: Convert to fraction form
133,489.74/200,193.26 = 38,726.88/x - Step 3: Cross multiply
133,489.74x = 200,193.26 × 38,726.88 - Step 4: Simplify right side
133,489.74x = 7,752,860,356.83 - Step 5: Solve for x
x = 7,752,860,356.83/133,489.74 - Step 6: Final answer
x = 58,078.32
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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.