Finding the Fourth Proportional to 425,178.36, 586,703.57 and 261,808.70
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Solution
The fourth proportional to 425,178.36, 586,703.57 and 261,808.70 is: 361,269.79
Step by Step Solution
- Step 1: Write the proportion equation
425,178.36 : 586,703.57 = 261,808.70 : x - Step 2: Convert to fraction form
425,178.36/586,703.57 = 261,808.70/x - Step 3: Cross multiply
425,178.36x = 586,703.57 × 261,808.70 - Step 4: Simplify right side
425,178.36x = 153,604,094,704.50 - Step 5: Solve for x
x = 153,604,094,704.50/425,178.36 - Step 6: Final answer
x = 361,269.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.