Finding the Fourth Proportional to 207,829.84, 286,616.88 and 136,183.84
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Solution
The fourth proportional to 207,829.84, 286,616.88 and 136,183.84 is: 187,810.31
Step by Step Solution
- Step 1: Write the proportion equation
207,829.84 : 286,616.88 = 136,183.84 : x - Step 2: Convert to fraction form
207,829.84/286,616.88 = 136,183.84/x - Step 3: Cross multiply
207,829.84x = 286,616.88 × 136,183.84 - Step 4: Simplify right side
207,829.84x = 39,032,587,327.22 - Step 5: Solve for x
x = 39,032,587,327.22/207,829.84 - Step 6: Final answer
x = 187,810.31
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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.