Finding the Fourth Proportional to 122,797.88, 169,370.36 and 84,569.58
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Solution
The fourth proportional to 122,797.88, 169,370.36 and 84,569.58 is: 116,643.55
Step by Step Solution
- Step 1: Write the proportion equation
122,797.88 : 169,370.36 = 84,569.58 : x - Step 2: Convert to fraction form
122,797.88/169,370.36 = 84,569.58/x - Step 3: Cross multiply
122,797.88x = 169,370.36 × 84,569.58 - Step 4: Simplify right side
122,797.88x = 14,323,580,209.65 - Step 5: Solve for x
x = 14,323,580,209.65/122,797.88 - Step 6: Final answer
x = 116,643.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.