Finding the Fourth Proportional to 260,201.80, 390,376.14 and 73,214.92
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Solution
The fourth proportional to 260,201.80, 390,376.14 and 73,214.92 is: 109,843.04
Step by Step Solution
- Step 1: Write the proportion equation
260,201.80 : 390,376.14 = 73,214.92 : x - Step 2: Convert to fraction form
260,201.80/390,376.14 = 73,214.92/x - Step 3: Cross multiply
260,201.80x = 390,376.14 × 73,214.92 - Step 4: Simplify right side
260,201.80x = 28,581,357,860.01 - Step 5: Solve for x
x = 28,581,357,860.01/260,201.80 - Step 6: Final answer
x = 109,843.04
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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.