Finding the Fourth Proportional to 340,776.35, 470,252.20 and 187,814.09
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Solution
The fourth proportional to 340,776.35, 470,252.20 and 187,814.09 is: 259,172.88
Step by Step Solution
- Step 1: Write the proportion equation
340,776.35 : 470,252.20 = 187,814.09 : x - Step 2: Convert to fraction form
340,776.35/470,252.20 = 187,814.09/x - Step 3: Cross multiply
340,776.35x = 470,252.20 × 187,814.09 - Step 4: Simplify right side
340,776.35x = 88,319,989,013.50 - Step 5: Solve for x
x = 88,319,989,013.50/340,776.35 - Step 6: Final answer
x = 259,172.88
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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.