Finding the Fourth Proportional to 260,176.65, 390,235.16 and 68,069.63
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Solution
The fourth proportional to 260,176.65, 390,235.16 and 68,069.63 is: 102,096.64
Step by Step Solution
- Step 1: Write the proportion equation
260,176.65 : 390,235.16 = 68,069.63 : x - Step 2: Convert to fraction form
260,176.65/390,235.16 = 68,069.63/x - Step 3: Cross multiply
260,176.65x = 390,235.16 × 68,069.63 - Step 4: Simplify right side
260,176.65x = 26,563,162,954.19 - Step 5: Solve for x
x = 26,563,162,954.19/260,176.65 - Step 6: Final answer
x = 102,096.64
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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.