Finding the Fourth Proportional to 425,328.54, 637,992.81 and 125,785.80
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Solution
The fourth proportional to 425,328.54, 637,992.81 and 125,785.80 is: 188,678.70
Step by Step Solution
- Step 1: Write the proportion equation
425,328.54 : 637,992.81 = 125,785.80 : x - Step 2: Convert to fraction form
425,328.54/637,992.81 = 125,785.80/x - Step 3: Cross multiply
425,328.54x = 637,992.81 × 125,785.80 - Step 4: Simplify right side
425,328.54x = 80,250,436,000.10 - Step 5: Solve for x
x = 80,250,436,000.10/425,328.54 - Step 6: Final answer
x = 188,678.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.