Finding the Fourth Proportional to 124,977.60, 187,903.80 and 122,353.20
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Solution
The fourth proportional to 124,977.60, 187,903.80 and 122,353.20 is: 183,958.02
Step by Step Solution
- Step 1: Write the proportion equation
124,977.60 : 187,903.80 = 122,353.20 : x - Step 2: Convert to fraction form
124,977.60/187,903.80 = 122,353.20/x - Step 3: Cross multiply
124,977.60x = 187,903.80 × 122,353.20 - Step 4: Simplify right side
124,977.60x = 22,990,631,222.16 - Step 5: Solve for x
x = 22,990,631,222.16/124,977.60 - Step 6: Final answer
x = 183,958.02
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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.