Finding the Fourth Proportional to 124,784.76, 187,201.68 and 40,529.28
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Solution
The fourth proportional to 124,784.76, 187,201.68 and 40,529.28 is: 60,801.89
Step by Step Solution
- Step 1: Write the proportion equation
124,784.76 : 187,201.68 = 40,529.28 : x - Step 2: Convert to fraction form
124,784.76/187,201.68 = 40,529.28/x - Step 3: Cross multiply
124,784.76x = 187,201.68 × 40,529.28 - Step 4: Simplify right side
124,784.76x = 7,587,149,305.19 - Step 5: Solve for x
x = 7,587,149,305.19/124,784.76 - Step 6: Final answer
x = 60,801.89
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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.