Finding the Fourth Proportional to 472,515.46, 708,676.53 and 135,465.82
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Solution
The fourth proportional to 472,515.46, 708,676.53 and 135,465.82 is: 203,171.02
Step by Step Solution
- Step 1: Write the proportion equation
472,515.46 : 708,676.53 = 135,465.82 : x - Step 2: Convert to fraction form
472,515.46/708,676.53 = 135,465.82/x - Step 3: Cross multiply
472,515.46x = 708,676.53 × 135,465.82 - Step 4: Simplify right side
472,515.46x = 96,001,447,251.20 - Step 5: Solve for x
x = 96,001,447,251.20/472,515.46 - Step 6: Final answer
x = 203,171.02
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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.