Finding the Fourth Proportional to 159,564.36, 239,120.55 and 88,518.06
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Solution
The fourth proportional to 159,564.36, 239,120.55 and 88,518.06 is: 132,651.72
Step by Step Solution
- Step 1: Write the proportion equation
159,564.36 : 239,120.55 = 88,518.06 : x - Step 2: Convert to fraction form
159,564.36/239,120.55 = 88,518.06/x - Step 3: Cross multiply
159,564.36x = 239,120.55 × 88,518.06 - Step 4: Simplify right side
159,564.36x = 21,166,487,192.13 - Step 5: Solve for x
x = 21,166,487,192.13/159,564.36 - Step 6: Final answer
x = 132,651.72
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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.