Finding the Fourth Proportional to 623,101.14, 859,879.56 and 351,178.98
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Solution
The fourth proportional to 623,101.14, 859,879.56 and 351,178.98 is: 484,626.98
Step by Step Solution
- Step 1: Write the proportion equation
623,101.14 : 859,879.56 = 351,178.98 : x - Step 2: Convert to fraction form
623,101.14/859,879.56 = 351,178.98/x - Step 3: Cross multiply
623,101.14x = 859,879.56 × 351,178.98 - Step 4: Simplify right side
623,101.14x = 301,971,626,803.65 - Step 5: Solve for x
x = 301,971,626,803.65/623,101.14 - Step 6: Final answer
x = 484,626.98
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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.