Finding the Fourth Proportional to 134,129.48, 201,225.36 and 39,355.80
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Solution
The fourth proportional to 134,129.48, 201,225.36 and 39,355.80 is: 59,042.84
Step by Step Solution
- Step 1: Write the proportion equation
134,129.48 : 201,225.36 = 39,355.80 : x - Step 2: Convert to fraction form
134,129.48/201,225.36 = 39,355.80/x - Step 3: Cross multiply
134,129.48x = 201,225.36 × 39,355.80 - Step 4: Simplify right side
134,129.48x = 7,919,385,023.09 - Step 5: Solve for x
x = 7,919,385,023.09/134,129.48 - Step 6: Final answer
x = 59,042.84
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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.