Finding the Fourth Proportional to 201,257.70, 301,886.55 and 122,525.70
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Solution
The fourth proportional to 201,257.70, 301,886.55 and 122,525.70 is: 183,788.55
Step by Step Solution
- Step 1: Write the proportion equation
201,257.70 : 301,886.55 = 122,525.70 : x - Step 2: Convert to fraction form
201,257.70/301,886.55 = 122,525.70/x - Step 3: Cross multiply
201,257.70x = 301,886.55 × 122,525.70 - Step 4: Simplify right side
201,257.70x = 36,988,860,859.34 - Step 5: Solve for x
x = 36,988,860,859.34/201,257.70 - Step 6: Final answer
x = 183,788.55
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1.5x scale
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.