Finding the Fourth Proportional to 291,351.20, 402,102.99 and 164,051.60
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Solution
The fourth proportional to 291,351.20, 402,102.99 and 164,051.60 is: 226,412.79
Step by Step Solution
- Step 1: Write the proportion equation
291,351.20 : 402,102.99 = 164,051.60 : x - Step 2: Convert to fraction form
291,351.20/402,102.99 = 164,051.60/x - Step 3: Cross multiply
291,351.20x = 402,102.99 × 164,051.60 - Step 4: Simplify right side
291,351.20x = 65,965,636,863.77 - Step 5: Solve for x
x = 65,965,636,863.77/291,351.20 - Step 6: Final answer
x = 226,412.79
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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.