Finding the Fourth Proportional to 391,022.93, 586,544.58 and 124,783.08
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Solution
The fourth proportional to 391,022.93, 586,544.58 and 124,783.08 is: 187,177.87
Step by Step Solution
- Step 1: Write the proportion equation
391,022.93 : 586,544.58 = 124,783.08 : x - Step 2: Convert to fraction form
391,022.93/586,544.58 = 124,783.08/x - Step 3: Cross multiply
391,022.93x = 586,544.58 × 124,783.08 - Step 4: Simplify right side
391,022.93x = 73,190,839,249.71 - Step 5: Solve for x
x = 73,190,839,249.71/391,022.93 - Step 6: Final answer
x = 187,177.87
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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.