Finding the Fourth Proportional to 391,025.93, 586,549.08 and 124,786.08
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Solution
The fourth proportional to 391,025.93, 586,549.08 and 124,786.08 is: 187,182.37
Step by Step Solution
- Step 1: Write the proportion equation
391,025.93 : 586,549.08 = 124,786.08 : x - Step 2: Convert to fraction form
391,025.93/586,549.08 = 124,786.08/x - Step 3: Cross multiply
391,025.93x = 586,549.08 × 124,786.08 - Step 4: Simplify right side
391,025.93x = 73,193,160,420.81 - Step 5: Solve for x
x = 73,193,160,420.81/391,025.93 - Step 6: Final answer
x = 187,182.37
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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.