Finding the Fourth Proportional to 148,029.95, 221,694.19 and 84,884.38
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Solution
The fourth proportional to 148,029.95, 221,694.19 and 84,884.38 is: 127,125.45
Step by Step Solution
- Step 1: Write the proportion equation
148,029.95 : 221,694.19 = 84,884.38 : x - Step 2: Convert to fraction form
148,029.95/221,694.19 = 84,884.38/x - Step 3: Cross multiply
148,029.95x = 221,694.19 × 84,884.38 - Step 4: Simplify right side
148,029.95x = 18,818,373,867.75 - Step 5: Solve for x
x = 18,818,373,867.75/148,029.95 - Step 6: Final answer
x = 127,125.45
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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.