Finding the Fourth Proportional to 425,109.06, 586,163.79 and 317,497.32
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Solution
The fourth proportional to 425,109.06, 586,163.79 and 317,497.32 is: 437,782.79
Step by Step Solution
- Step 1: Write the proportion equation
425,109.06 : 586,163.79 = 317,497.32 : x - Step 2: Convert to fraction form
425,109.06/586,163.79 = 317,497.32/x - Step 3: Cross multiply
425,109.06x = 586,163.79 × 317,497.32 - Step 4: Simplify right side
425,109.06x = 186,105,432,406.04 - Step 5: Solve for x
x = 186,105,432,406.04/425,109.06 - Step 6: Final answer
x = 437,782.79
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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.