Finding the Fourth Proportional to 514,586.19, 771,820.86 and 135,536.58
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Solution
The fourth proportional to 514,586.19, 771,820.86 and 135,536.58 is: 203,289.49
Step by Step Solution
- Step 1: Write the proportion equation
514,586.19 : 771,820.86 = 135,536.58 : x - Step 2: Convert to fraction form
514,586.19/771,820.86 = 135,536.58/x - Step 3: Cross multiply
514,586.19x = 771,820.86 × 135,536.58 - Step 4: Simplify right side
514,586.19x = 104,609,962,034.87 - Step 5: Solve for x
x = 104,609,962,034.87/514,586.19 - Step 6: Final answer
x = 203,289.49
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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.