Finding the Fourth Proportional to 294,689.93, 406,720.86 and 173,860.75
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Solution
The fourth proportional to 294,689.93, 406,720.86 and 173,860.75 is: 239,956.60
Step by Step Solution
- Step 1: Write the proportion equation
294,689.93 : 406,720.86 = 173,860.75 : x - Step 2: Convert to fraction form
294,689.93/406,720.86 = 173,860.75/x - Step 3: Cross multiply
294,689.93x = 406,720.86 × 173,860.75 - Step 4: Simplify right side
294,689.93x = 70,712,793,760.25 - Step 5: Solve for x
x = 70,712,793,760.25/294,689.93 - Step 6: Final answer
x = 239,956.60
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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.