Finding the Fourth Proportional to 425,674.08, 638,511.12 and 110,162.88
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Solution
The fourth proportional to 425,674.08, 638,511.12 and 110,162.88 is: 165,244.32
Step by Step Solution
- Step 1: Write the proportion equation
425,674.08 : 638,511.12 = 110,162.88 : x - Step 2: Convert to fraction form
425,674.08/638,511.12 = 110,162.88/x - Step 3: Cross multiply
425,674.08x = 638,511.12 × 110,162.88 - Step 4: Simplify right side
425,674.08x = 70,340,223,891.23 - Step 5: Solve for x
x = 70,340,223,891.23/425,674.08 - Step 6: Final answer
x = 165,244.32
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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.