Finding the Fourth Proportional to 260,431.13, 390,685.69 and 94,258.01
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Solution
The fourth proportional to 260,431.13, 390,685.69 and 94,258.01 is: 141,401.12
Step by Step Solution
- Step 1: Write the proportion equation
260,431.13 : 390,685.69 = 94,258.01 : x - Step 2: Convert to fraction form
260,431.13/390,685.69 = 94,258.01/x - Step 3: Cross multiply
260,431.13x = 390,685.69 × 94,258.01 - Step 4: Simplify right side
260,431.13x = 36,825,253,485.80 - Step 5: Solve for x
x = 36,825,253,485.80/260,431.13 - Step 6: Final answer
x = 141,401.12
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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.