Finding the Fourth Proportional to 159,455.99, 239,331.61 and 80,625.58
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Solution
The fourth proportional to 159,455.99, 239,331.61 and 80,625.58 is: 121,013.01
Step by Step Solution
- Step 1: Write the proportion equation
159,455.99 : 239,331.61 = 80,625.58 : x - Step 2: Convert to fraction form
159,455.99/239,331.61 = 80,625.58/x - Step 3: Cross multiply
159,455.99x = 239,331.61 × 80,625.58 - Step 4: Simplify right side
159,455.99x = 19,296,249,371.04 - Step 5: Solve for x
x = 19,296,249,371.04/159,455.99 - Step 6: Final answer
x = 121,013.01
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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.