Finding the Fourth Proportional to 153,256.97, 229,991.16 and 53,417.99
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Solution
The fourth proportional to 153,256.97, 229,991.16 and 53,417.99 is: 80,163.82
Step by Step Solution
- Step 1: Write the proportion equation
153,256.97 : 229,991.16 = 53,417.99 : x - Step 2: Convert to fraction form
153,256.97/229,991.16 = 53,417.99/x - Step 3: Cross multiply
153,256.97x = 229,991.16 × 53,417.99 - Step 4: Simplify right side
153,256.97x = 12,285,664,335.01 - Step 5: Solve for x
x = 12,285,664,335.01/153,256.97 - Step 6: Final answer
x = 80,163.82
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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.