Finding the Fourth Proportional to 403,985.36, 557,616.84 and 234,257.36
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Solution
The fourth proportional to 403,985.36, 557,616.84 and 234,257.36 is: 323,343.03
Step by Step Solution
- Step 1: Write the proportion equation
403,985.36 : 557,616.84 = 234,257.36 : x - Step 2: Convert to fraction form
403,985.36/557,616.84 = 234,257.36/x - Step 3: Cross multiply
403,985.36x = 557,616.84 × 234,257.36 - Step 4: Simplify right side
403,985.36x = 130,625,848,829.94 - Step 5: Solve for x
x = 130,625,848,829.94/403,985.36 - Step 6: Final answer
x = 323,343.03
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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.