Finding the Fourth Proportional to 930,963.21, 1,396,442.28 and 247,850.07
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Solution
The fourth proportional to 930,963.21, 1,396,442.28 and 247,850.07 is: 371,774.43
Step by Step Solution
- Step 1: Write the proportion equation
930,963.21 : 1,396,442.28 = 247,850.07 : x - Step 2: Convert to fraction form
930,963.21/1,396,442.28 = 247,850.07/x - Step 3: Cross multiply
930,963.21x = 1,396,442.28 × 247,850.07 - Step 4: Simplify right side
930,963.21x = 346,108,316,848.96 - Step 5: Solve for x
x = 346,108,316,848.96/930,963.21 - Step 6: Final answer
x = 371,774.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.