Finding the Fourth Proportional to 411,418.56, 567,740.16 and 239,336.94
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Solution
The fourth proportional to 411,418.56, 567,740.16 and 239,336.94 is: 330,274.82
Step by Step Solution
- Step 1: Write the proportion equation
411,418.56 : 567,740.16 = 239,336.94 : x - Step 2: Convert to fraction form
411,418.56/567,740.16 = 239,336.94/x - Step 3: Cross multiply
411,418.56x = 567,740.16 × 239,336.94 - Step 4: Simplify right side
411,418.56x = 135,881,192,609.51 - Step 5: Solve for x
x = 135,881,192,609.51/411,418.56 - Step 6: Final answer
x = 330,274.82
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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.