Finding the Fourth Proportional to 260,347.84, 390,445.21 and 110,586.94
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Solution
The fourth proportional to 260,347.84, 390,445.21 and 110,586.94 is: 165,847.89
Step by Step Solution
- Step 1: Write the proportion equation
260,347.84 : 390,445.21 = 110,586.94 : x - Step 2: Convert to fraction form
260,347.84/390,445.21 = 110,586.94/x - Step 3: Cross multiply
260,347.84x = 390,445.21 × 110,586.94 - Step 4: Simplify right side
260,347.84x = 43,178,140,173.68 - Step 5: Solve for x
x = 43,178,140,173.68/260,347.84 - Step 6: Final answer
x = 165,847.89
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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.