Finding the Fourth Proportional to 159,728.54, 239,567.40 and 53,103.63
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Solution
The fourth proportional to 159,728.54, 239,567.40 and 53,103.63 is: 79,647.00
Step by Step Solution
- Step 1: Write the proportion equation
159,728.54 : 239,567.40 = 53,103.63 : x - Step 2: Convert to fraction form
159,728.54/239,567.40 = 53,103.63/x - Step 3: Cross multiply
159,728.54x = 239,567.40 × 53,103.63 - Step 4: Simplify right side
159,728.54x = 12,721,898,768.80 - Step 5: Solve for x
x = 12,721,898,768.80/159,728.54 - Step 6: Final answer
x = 79,647.00
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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.