Finding the Fourth Proportional to 260,373.68, 390,604.26 and 82,935.08
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Solution
The fourth proportional to 260,373.68, 390,604.26 and 82,935.08 is: 124,416.55
Step by Step Solution
- Step 1: Write the proportion equation
260,373.68 : 390,604.26 = 82,935.08 : x - Step 2: Convert to fraction form
260,373.68/390,604.26 = 82,935.08/x - Step 3: Cross multiply
260,373.68x = 390,604.26 × 82,935.08 - Step 4: Simplify right side
260,373.68x = 32,394,795,551.44 - Step 5: Solve for x
x = 32,394,795,551.44/260,373.68 - Step 6: Final answer
x = 124,416.55
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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.