Finding the Fourth Proportional to 514,153.08, 771,221.34 and 140,176.08
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Solution
The fourth proportional to 514,153.08, 771,221.34 and 140,176.08 is: 210,261.86
Step by Step Solution
- Step 1: Write the proportion equation
514,153.08 : 771,221.34 = 140,176.08 : x - Step 2: Convert to fraction form
514,153.08/771,221.34 = 140,176.08/x - Step 3: Cross multiply
514,153.08x = 771,221.34 × 140,176.08 - Step 4: Simplify right side
514,153.08x = 108,106,784,253.55 - Step 5: Solve for x
x = 108,106,784,253.55/514,153.08 - Step 6: Final answer
x = 210,261.86
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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.