Finding the Fourth Proportional to 340,844.36, 470,343.85 and 187,883.75
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Solution
The fourth proportional to 340,844.36, 470,343.85 and 187,883.75 is: 259,267.80
Step by Step Solution
- Step 1: Write the proportion equation
340,844.36 : 470,343.85 = 187,883.75 : x - Step 2: Convert to fraction form
340,844.36/470,343.85 = 187,883.75/x - Step 3: Cross multiply
340,844.36x = 470,343.85 × 187,883.75 - Step 4: Simplify right side
340,844.36x = 88,369,967,033.59 - Step 5: Solve for x
x = 88,369,967,033.59/340,844.36 - Step 6: Final answer
x = 259,267.80
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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.