Finding the Fourth Proportional to 470,338.44, 649,071.84 and 255,482.70
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Solution
The fourth proportional to 470,338.44, 649,071.84 and 255,482.70 is: 352,568.73
Step by Step Solution
- Step 1: Write the proportion equation
470,338.44 : 649,071.84 = 255,482.70 : x - Step 2: Convert to fraction form
470,338.44/649,071.84 = 255,482.70/x - Step 3: Cross multiply
470,338.44x = 649,071.84 × 255,482.70 - Step 4: Simplify right side
470,338.44x = 165,826,626,177.17 - Step 5: Solve for x
x = 165,826,626,177.17/470,338.44 - Step 6: Final answer
x = 352,568.73
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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.