Finding the Fourth Proportional to 425,631.08, 636,869.58 and 341,134.97
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Solution
The fourth proportional to 425,631.08, 636,869.58 and 341,134.97 is: 510,438.49
Step by Step Solution
- Step 1: Write the proportion equation
425,631.08 : 636,869.58 = 341,134.97 : x - Step 2: Convert to fraction form
425,631.08/636,869.58 = 341,134.97/x - Step 3: Cross multiply
425,631.08x = 636,869.58 × 341,134.97 - Step 4: Simplify right side
425,631.08x = 217,258,485,067.21 - Step 5: Solve for x
x = 217,258,485,067.21/425,631.08 - Step 6: Final answer
x = 510,438.49
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1.5x scale
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.