Finding the Fourth Proportional to 340,776.46, 470,252.33 and 187,814.18
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Solution
The fourth proportional to 340,776.46, 470,252.33 and 187,814.18 is: 259,172.99
Step by Step Solution
- Step 1: Write the proportion equation
340,776.46 : 470,252.33 = 187,814.18 : x - Step 2: Convert to fraction form
340,776.46/470,252.33 = 187,814.18/x - Step 3: Cross multiply
340,776.46x = 470,252.33 × 187,814.18 - Step 4: Simplify right side
340,776.46x = 88,320,054,411.65 - Step 5: Solve for x
x = 88,320,054,411.65/340,776.46 - Step 6: Final answer
x = 259,172.99
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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.